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Week 4. Warm Up. 04.11.12. 3 sides. 4 sides. 5 sides. 6 sides. Ex 1. 1•. 180 ⁰. 360 ⁰. 540 ⁰. 720 ⁰. 2 • 180. 3 • 180. 4 • 180. Theorem 10.15. 6. 1. ( 6 – 2 ) • 180 ⁰. Ex 2. 4 • 180 ⁰. 2. 5. 720 ⁰. 4. 3. 136⁰ + 136⁰ + 88⁰ + 142⁰ + 105⁰ + x⁰ = 720⁰. 607 + x = 720.
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Week 4 Warm Up 04.11.12
3 sides 4 sides 5 sides 6 sides Ex 1 1• 180⁰ 360⁰ 540⁰ 720⁰ 2 • 180 3 • 180 4 • 180
Theorem 10.15 6 1 ( 6 – 2 ) • 180⁰ Ex 2 4 • 180⁰ 2 5 720⁰ 4 3 136⁰ + 136⁰ + 88⁰ + 142⁰ + 105⁰ + x⁰ = 720⁰ 607 + x = 720 x = 113
Theorem 10.15A The measure of each angle of a regular polygon is 140. Ex 3 How many sides? 9 sides
Ex 4 Find the value of x for the regular polygon: x
What is the value of x? Do 1: Assignment: Textbook Page 665, 14 – 19 all.