Honors Packet on. Polygons, Quadrilaterals, and Special Parallelograms
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1 Honors Packet on Polygons, Quadrilaterals, and Special Parallelograms
2 Table of Contents DAY 1: (Ch. 6-1) SWBAT: Find measures of interior and exterior angles of polygons Pgs: #1 6 in packet HW: Pages in Holt Textbook #7, 9, 10, 12, 23, 26, 31, 34, 38, 41, 50, 56, and 57 DAY 2: (Ch. 6-1) SWBAT: Find measures of interior and exterior angles of polygons Pgs: HW: #7 11 in packet DAY 3: (Ch. 5-5) SWBAT: Solve Problems involving Parallelograms Pgs: #12 16 in packet HW: Pages in Honors Textbook #4-6, 19, 29 DAY 4: (Ch. 5-5) SWBAT: Solve Problems involving Parallelograms Pgs: HW: #17 21 in packet Day 5: (5-6) SWBAT: Prove Quadrilaterals are Parallelograms Pgs: #22 25 in packet HW: pgs in Honors Textbook #3-4, 13, 17 DAY 6: (5-6) SWBAT: Prove Quadrilaterals are Parallelograms Pgs: HW: #26 28 in packet Day 7: (5-5 to 5-7) SWBAT: Solve Problems involving Rectangles Pgs: #29 33 in packet HW: pgs in Honors Textbook #3, 12, 16 pgs in Honors Textbook #3, 5, 9 pgs in Honors Textbook #4, 28, 29 DAY 8: (5-5 to 5-7) SWBAT: Solve Problems involving Rhombi and Squares Pgs: HW: in this packet DAY 9: (5-5 to 5-7) SWBAT: Solve Problems involving Trapezoids Pgs: HW: in this packet DAY 10: (Review) SWBAT: Review of Quadrilaterals Pgs: HW: Finish this section for homework
3 Chapter 6 (Section 1) Day 1 Angles in polygons A polygon is a closed plane figure formed by three or more segments that intersect only at their endpoints. Each segment that forms a polygon is a side of the polygon. The common endpoint of two sides is a vertex of the polygon. A segment that connects any two nonconsecutive vertices is a diagonal. You can name a polygon by the number of its sides. The table shows the names of some common polygons. All the sides are congruent in an equilateral polygon. All the angles are congruent in an equiangular polygon. A regular polygon is one that is both equilateral and equiangular. If a polygon is not regular, it is called irregular. A polygon is concave if any part of a diagonal contains points in the exterior of the polygon. If no diagonal contains points in the exterior, then the polygon is convex. A regular polygon is always convex. Warm Up Tell whether the following polygons are concave or convex and regular or irregular
4 Sum of Interior Angles in Polygons Example 1: Calculating the Sum of Interior Angles Find the sum of the interior angles of a decagon. 2
5 Example 2: Calculating the measure of each of interior Angle of any regular polygon What is the measure of each angle in a regular octagon? Example 3: Calculating the number of sides of a polygon given the sum of the interior angles The sum of the interior angles of a convex regular polygon measure 1980, how many sides does the polygon have? 3
6 Exterior Angles Refer to the two polygons below. What do you notice about the exterior angles of any polygon? Example 4: Calculating the measure of an exterior angle given the number of sides or Vice Versa Find the measure of each exterior angle of a polygon with 18 sides. 4
7 You Try It! The measure of an exterior angle of a convex regular polygon is 45. Find the number of sides of the polygon. You Try It! How many sides does a regular polygon have if each interior angle measures 160? Example 5: Solving Algebraic Problems Find the value of x. Find x: 5
8 Number of Diagonals in a Polygon 1. Find the number of diagonals in a pentadecagon. 2. What is the name of the polygon with 14 diagonals? Challenge In Exercises 1, find each lettered angle measure. Summary 6
9 Warm - Up Interior and Exterior Angles of Polygons Day 2 - Practice 7
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14 Chapter 5 (Section 5) Day 3 Parallelograms Warm Up Any polygon with four sides is a called a Quadrilateral. However, some quadrilaterals have special properties. These special quadrilaterals are given their own names. 12
15 Properties of Parallelograms If a quadrilateral is a parallelogram, then its opposite sides are congruent. If a quadrilateral is a parallelogram, then its opposite angles are congruent. If a quadrilateral is a parallelogram, then its consecutive angles are supplementary. + = = = = 180 If a quadrilateral is a parallelogram, then its diagonals bisect each other. 13
16 14
17 Level B: Proofs 15
18 Summary Homework Exit Ticket 16
19 Warm Up Practice with Parallelograms Day
20
21
22 Proofs
23 15. 21
24 Warm Up Day 5 Proving Quadrilaterals are Parallelograms Parallelogram* 22
25 Determining if a quadrilateral is a parallelogram Analyzing a Diagram 1. In (a) to (e), the given is marked on the figure. Tell why each quadrilateral ABCD is a parallelogram. a. b. c. d. e. 23
26 Proofs
27 16. 25
28 Proving a Quadrilateral Is a Parallelogram - Day
29
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31 Warm - Up Chapter 5 (Section 5-7) Day 7 Rectangles Definition: A rectangle is a parallelogram with one right angle. 29
32 Let s explore the Properties of the rectangle! The diagonals of a rectangle are congruent. The angles of a rectangle are all right angles. If m m 2 = m 3 = m 4 = 30
33 Practice Problems a. If AE = 5, BC = 6, and DC = 8, find AC, BD, AD, and AB. AC = BD = AD = AB = b. If BD = 3x 7 and CA = x + 5, find BD, ED, CA, and AE. BD = ED = CA = AE = c. m 1 = m 2 = m 3 = m 1 = m 2 = m 3 = m 4 = d. 31
34 Rectangle Proofs 32
35 CHALLENGE In a rectangle, the length is twice the width, and the perimeter is 48. Find the area of the rectangle. SUMMARY Exit Ticket 33
36 Chapter 5 (Section 5) Day 8 Rhombi and Squares Warm - Up m 1 = m 2 = 40 m 3 = m 4 = m 5 = m 6 = m 7 = m 8 = Rhombus Definition: A rhombus is a parallelogram with 2 congruent consecutive sides. Square Definition: A square is a rectangle with 2 congruent consecutive sides. 34
37 Problems Involving the Squares hj 35
38 Problems Involving the Rhombus If DM = 6y + 4 and ML = 5y + 8, find the length of KL. If m gfgf 36
39 37
40 Challenge SUMMARY Exit Ticket 38
41 Homework 39
42 40
43
44
45 Warm - Up Chapter 5 (Section 5) Day 9 Trapezoids 43
46 Properties of Isosceles Trapezoids If a quadrilateral is an isosceles trapezoid, then each pair of base angles are congruent. + = = 180 If a quadrilateral is an isosceles trapezoid, then the diagonals are congruent 44
47 45
48
49
50 Proofs 2. 48
51 CHALLENGE SUMMARY Exit Ticket CDEF is a trapezoid with. If m and m are in ratio 1:4, find the m 49
52 50
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54 10. 52
55 53
56
57 16 55
58 Chapter 5 (Review) Day 11 Warm Up Write the missing terms in the unlabeled sections. 56
59 SUMMARY 57
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61 59
62 60
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65 63
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This is a tentative schedule, date may change. Please be sure to write down homework assignments daily.
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