Similar Polygons: Part 1 Corresponding Parts. Warm-up What is a polygon?

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Presentation transcript:

Similar Polygons: Part 1 Corresponding Parts

Warm-up What is a polygon?

Identify Similar Polygons Determine whether rectangle HJKL is similar to rectangle MNPQ. Explain. HJJK MNNP 73= = 42 Not equivalent ratios, so rectangle HJKL is NOT similar to rectangle MNPQ HJ KL M N P Q = =

Example Problems Determine whether these polygons are similar. Explain Shape 1 Shape 2

Determine whether these polygons are similar. Explain Shape 1 Shape 2

Determine whether these polygons are similar. Explain Shape 1 Shape 2

Determine whether these polygons are similar. Explain Shape 1 Shape 2

Worksheet time! Please Complete PROBLEMS# 1 – 4 on Skills Practice Side!

Let’s Check Your Answers! 1. Yes2. No 3. Yes4. Yes

Similar Polygons: Part 2 Proportions

Find Missing Measures Given that polygon WXYZ is similar to polygon ABCD, find the missing measure. AD DC WZZY 1310= 10m m15= m = 195 m = AB CD m 15 24WX YZ = =

Find Missing Measures Given that polygon WXYZ is similar to polygon ABCD, find the missing measure. AB DC WXZY AB CD WX YZ = = m

Example Problem Rectangle KLMN is similar to rectangle TUVW. If the perimeter of rectangle KLMN is 32 units, what is the perimeter of rectangle TUVW? A 128 units B 64 units C 96 units D 40 units 8 LM NK U 16 V W T

Worksheet time! Please Complete PROBLEMS# 5 – 8 on Skills Practice Side!

Let’s Check Your Answers!

Up Next… Activity 1: Practice 4-5, Questions 1 – 7 Activity 2: Hippo Packet # 14

Trade and Grade Practice No2. Yes 3. x = 144. x = 9 5. x = 36. x = 2 7. Perimeter = 18 in.