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1. What is the sum of the measures of the interior angles of a convex 12 – sided polygon? 2. What is the measure of each interior angle of a regular 20 – sided polygon? 3. A convex pentagon has interior angles that measure 900, 1000 , 1100, and 1200. What is the measure of the fifth interior angle? 4. A convex hexagon has exterior angles that measure 320, 540, 670, 720, and 1000. What is the measure of the sixth exterior angle? 5. What is the measure of each exterior angle of a regular nonagon.

Sagot :

Answer:

1. 1800⁰

2. 162⁰

3.120⁰

4. 35⁰

5. 40⁰

Step-by-step explanation:

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