# A. 3y = -2x + 1. y = x + 3. y = x - 3. D. 2y = 3x + 3

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1 Name: Geometry Regents Prep Spring 2010 Assignment 1. Which is an equation of the line that passes through the point (1, 4) and has a slope of 3? A. y = 3x + 4 B. y = x + 4 C. y = 3x - 1 D. y = 3x Which is an equation of a line parallel to the line whose equation is 3y = 2x + 3? A. 3y = -2x + 1 B. y = x + 3 C. y = x - 3 D. 2y = 3x What is the slope of the line that passes through the points (1, 3) and (3, 7)? A. B. 2 C. 5. The coordinates of the vertices of rhombus ABCD are A(1, 1), B(5, 3), C(7, 7), and D(3, 5). Find the coordinates of the point of intersection of the diagonals. A. (3, 4) C. (4, 2) B. (4, 4) D. (5, 6) D What is the slope of a line that is perpendicular to the line whose equation is y = 4x + 1? A. - B. 6. The midpoint of is M. If the coordinates of A are (2, -6) and the coordinates of M are (5, -1), what are the coordinates of B? A. (3, 5) B. (-4, -8) C. (8, 4) D. (, - ) C. -4 D The length of the line segment connecting (2, -2) and (-3, -1) is A. B. 2 C. D. castlelearning.com/ /Assignment-SA.a 1/12

2 8. Determine the distance between point A(-1,-3) and point B(5,5). 12. units Write an equation of the perpendicular bisector of. y = x + 9. Find the area of a triangle whose vertices are (1, 2), (8, 2), and (1, 6). A. 14 C. 28 B. 24 D. 48 Figure 1 In the diagram, ΔR' S' T' is the image of ΔRST. Which type of transformation is shown in this diagram? A. dilation C. rotation B. reflection D. translation 10. Which letter has both line and point symmetry? A. A B. S C. Z D. H 13. If a rectangle is not a square, what is the greatest number of lines of symmetry that can be drawn? A. 1 C. 3 B. 2 D Which letter has only horizontal line symmetry? A. A B. D C. H D. F Figure 2 The transformation of ΔABC to ΔAB'C' is shown in the accompanying diagram. This transformation is an example of a A. line reflection in line l B. rotation about point A C. dilation D. translation castlelearning.com/ /Assignment-SA.a 2/12

3 15. In which quadrant does the image of (4, -7) lie after the translation that shifts (x, y) to (x - 6, y + 3)? 19. The accompanying circle graph shows how the Marino family spends its income each month. A. I C. III B. II D. IV 16. What is the image of (-4, -5) when reflected in the x-axis? A. (5, -4) B. (-5, -4) C. (-4, 5) D. (4, -5) 17. What are the coordinates of R', the image of R(-4, 3) after a reflection in the line whose equation is y = x? A. (-4, -3) C. (4, 3) B. (3, -4) D. (-3, 4) 18. What is the measure, in degrees, of the central angle that represents the percentage of income spent on food? A. 25 C. 90 B. 50 D The accompanying diagram shows the path of a cart traveling on a circular track of radius 2.40 meters. The cart starts at point A and stops at point B, moving in a counterclockwise direction. What is the length of minor arc AB, over which the cart traveled, to the nearest tenth of a meter? Figure 3 In a recent poll, 600 people were asked whether they liked Chinese food. A circle graph was constructed to show the results. The central angles for two of the three sectors are shown in the accompanying diagram. How many people had no opinion? A. 30 C. 100 B. 60 D. 300 Answer: m castlelearning.com/ /Assignment-SA.a 3/12

4 Figure 4 In the diagram, transversal intersects parallel lines and, m DGH = x, and m BHG = 2x 30. Find the value of x. A. 30 C. 70 B. 50 D. 110 Figure 6 In the diagram, parallel lines and are cut by transversal at E and F, respectively. If m GEB = (2x 30) and m EFD = (x + 15), find the value of x. A. 25 C. 45 B. 35 D In the accompanying diagram, line line t is a transversal. is parallel to line m, and Figure 5 In the diagram, parallel lines and are intersected by transversal at G and H, respectively. If m CHG = x + 20 and m DHG = 3x, find the value of x. A C. 50 B. 40 D. 90 Which must be a true statement? A. m 1 + m 4 = 180 B. m 1 + m 8 = 180 C. m 3 + m 6 = 180 D. m 2 + m 5 = The measures of the three angles of a triangle are represented by x, 3x, and x Find the value of x. A. 15 C. 42 B. 30 D. 65 castlelearning.com/ /Assignment-SA.a 4/12

5 A girls 5 feet tall casts a shadow of 2 feet. At the same time, a nearby tree casts a shadow of 24 feet. How tall is the tree? A. 9 feet C. 60 feet B. 24 feet D. 120 feet 27. Figure 8 In the diagram of isosceles trapezoid ABCD, AB = CD. The measure of B is 40 more than the measure of A. Find m A and m B. m A = and m B =. 31. Figure 7 In the diagram, m A = x + 20, m B = 3x, and BCD is an exterior angle formed by extending to point D, and m BCD = 120. Find the value of x. A. 10 C. 35 B. 25 D Figure 9 In isosceles trapezoid ABCD, m D = 70, AB = 6, and DC = 14. Which property is not true for all parallelograms? (a) DE = units. A. Opposite angles are congruent. B. Consecutive angles are supplementary. C. Opposite sides are congruent. D. Diagonals are congruent. 29. A parallelogram must be a rhombus if the A. diagonals are perpendicular B. opposite angles are congruent C. diagonals are congruent D. opposite sides are congruent (b) To the nearest integer, altitude AE = (c) The area of trapezoid ABCD = (d) To the nearest integer, AD = units. square units. units. castlelearning.com/ /Assignment-SA.a 5/12

6 Figure 10 In the diagram of trapezoid ABCD, = 15, and m A = 35. (a) To the nearest tenth, the area of ABCD is square units., BC = 9, AD Figure 12 In the diagram, ABCD is a trapezoid with altitudes DW and CZ drawn, CD = 17.3, DA = 8.6, m A = 68, and m B = 53. To the nearest tenth, the perimeter of ABCD is units. (b) To the nearest tenth, the perimeter of ABCD is 33. units. 35. What is the sum, in degrees, of the measures of the interior angles of a stop sign, which is in the shape of an octagon? A. 360 C. 1,440 B. 1,080 D. 1, Figure 11 A stop sign in the shape of a regular octagon is resting on a brick wall, as shown in the accompanying diagram. In the diagram of parallelogram ABCD, m A = 50, DC = 10, and AD = 5. is an altitude. (a) To the nearest tenth, DE = units. (b) To the nearest tenth, AE = units. (c) To the nearest integer, the area of ΔAED = square units. (d) To the nearest integer, the area of trapezoid DCBE = square units. What is the measure of angle x? A. 45 C. 120 B. 60 D. 135 castlelearning.com/ /Assignment-SA.a 6/12

7 37. In the diagram below of isosceles trapezoid DEFG,, DE = 4x 2, EF = 3x + 2, FG = 5x 3, and GD = 2x + 5. Find the value of x. 39. Figure 14 In the diagram, the bisector of an angle has been constructed. In proving this construction, which reason is used for the congruence involved? Answer: x = A. ASA C. AAS B. SSS D. SAS The diagram below shows the construction of the perpendicular bisector of. Figure 13 Which statement is illustrated in the construction? A. Through a point not on a given line, exactly one line can be drawn perpendicular to the given line. B. If two lines cut by a transversal form congruent alternate interior angles, then the two lines are parallel. C. If two lines cut by a transversal form congruent corresponding angles, then the two lines are parallel. D. If two lines cut by a transversal form same side interior angles that are supplementary, then the two lines are parallel. Which statement is not true? A. AC = CB B. CB = AB C. AC = 2AB D. AC + CB = AB castlelearning.com/ /Assignment-SA.a 7/12

8 What is the locus of points at a given distance from a line? A. 1 point C. 1 circle B. 2 points D. 2 parallel lines 42. The locus of points equidistant from a single point is which of the following? A. A circle C. Two parallel lines B. A perpendicular bisector D. One parallel line 43. The locus of points equidistant from two points is which of the following? A. A circle C. Two parallel lines B. A perpendicular bisector D. A midpoint 44. The locus of points equidistant from two intersecting lines is which of the following? A. A circle B. A perpendicular bisector C. Two intersecting lines that bisect the 4 angles formed by the original intersecting lines. D. An angle bisector Figure 15 In the diagram of right triangle LPG:, LG = 52, LP = 20, and m NLP = 35. (a) To the nearest integer, PN =. (b) To the nearest integer, GN =. (c) To the nearest degree, m GLN =. 47. In the accompanying diagram, x represents the length of a ladder that is leaning against a wall of a building, and y represents the distance from the foot of the ladder to the base of the wall. The ladder makes a 60 angle with the ground and reaches a point on the wall 17 feet above the ground. Find the number of feet in x and y. Round your answers to the nearest tenth of a foot. 45. In right triangle ABC, hypotenuse AB = 10 and m B = 53. Find AC to the nearest integer. A. 6 C. 13 B. 8 D. 15 x = y = feet feet castlelearning.com/ /Assignment-SA.a 8/12

9 Figure 16 In the diagram of circle O, m = 64 and m AEB = 52. What is the measure of? A. 104 C. 52 B. 80 D. 40 Figure 17 In the diagram of circle O, is tangent to O at Q and is a secant. If m P = 56 and m = 192, find m. A. 80 C. 248 B. 136 D The accompanying diagram shows a child's spin toy that is constructed from two chords intersecting in a circle. The curved edge of the larger shaded section is one-quarter of the circumference of the circle, and the curved edge of the smaller shaded section is one-fifth of the circumference of the circle. 51. The accompanying diagram shows a circular machine part that has rods and attached at points T, A, and R, which are located on the circle. is tangent to the circle at point T; m : m : m = 1:3:5 where refers to the major arc; RA = 12 centimeters; and PA = 5 centimeters. What is the measure of angle x? A. 40 C. 81 B. 72 D. 108 (a) Find the measure of m P = (b) Find the length of rod centimeter. P, in degrees., to the nearest tenth of a PT = cm castlelearning.com/ /Assignment-SA.a 9/12

10 52. Kimi wants to determine the radius of a circular pool without getting wet. She is located at point K, which is 4 feet from the pool and 12 feet from the point of tangency, as shown in the accompanying diagram. What is the radius of the pool? A. 16 ft B. 20 ft C. 32 ft D. 4 ft castlelearning.com/ /Assignment-SA.a 10/12

11 53. Figure 18 In the diagram, isosceles triangle ABC is inscribed in circle O, and vertex angle BAC measures 40. Tangent, and diameters and are drawn., secant (a) m = (b) m ABD = (c) m DOE = (d) m P (e) m ACP castlelearning.com/ /Assignment-SA.a 11/12

12 Which set of numbers could not represent the lengths of the sides of a right triangle? A. {3, 4, 5} B. {6, 9, 12} C. {5, 12, 13} D. {8, 15, 17} 57. Figure 19 In the diagram of circle O, the ratio m : m : m : m is 5:4:1:2, chord is extended to external point M, chords and intersect at D, and tangent is drawn. To get from his high school to his home, Jamal travels 5.0 miles east and then 4.0 miles north. When Sheila goes to her home from the same high school, she travels 8.0 miles east and 2.0 miles south. What is the measure of the shortest distance, to the nearest tenth of a mile, between Jamal's home and Sheila's home? mile(s) (a) m = (b) m ABC = (c) m NMC = (d) m NDA = (e) m MND = 55. The measure of the altitude of an equilateral triangle whose side has length 6 is A. B. 2 C. 3 D. 4 castlelearning.com/ /Assignment-SA.a 12/12

13 53. Figure 18 In the diagram, isosceles triangle ABC is inscribed in circle O, and vertex angle BAC measures 40. Tangent, and diameters and are drawn., secant (a) m = (b) m ABD = (c) m DOE = (d) m P (e) m ACP castlelearning.com/ /Assignment-SA.a 13/12

14 Which set of numbers could not represent the lengths of the sides of a right triangle? A. {3, 4, 5} B. {6, 9, 12} C. {5, 12, 13} D. {8, 15, 17} 57. Figure 19 In the diagram of circle O, the ratio m : m : m : m is 5:4:1:2, chord is extended to external point M, chords and intersect at D, and tangent is drawn. To get from his high school to his home, Jamal travels 5.0 miles east and then 4.0 miles north. When Sheila goes to her home from the same high school, she travels 8.0 miles east and 2.0 miles south. What is the measure of the shortest distance, to the nearest tenth of a mile, between Jamal's home and Sheila's home? mile(s) (a) m = (b) m ABC = (c) m NMC = (d) m NDA = (e) m MND = 55. The measure of the altitude of an equilateral triangle whose side has length 6 is A. B. 2 C. 3 D. 4 castlelearning.com/ /Assignment-SA.a 14/12

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