Question

a regular polygon of (2A+1) sides has 140 as the size of each interior angle. find A​

Answer 1

Answer:

solve a regular polygon of (2x+1) sides has 140 as the size of each interior angle, find x. if the internal angle is 140, then the external angle is 180 - 140 = 40 degrees. the number of sides is therefore 360 / 40 = 9 because 9 * 40 = 360.

Step-by-step explanation:

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