Question

Find the value of the variable. Then find the angle measures of the polygon. Check for the reasonableness of your answer.

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Answer 1

Value of the variable :-

(2a + a + 2a + a)° = 360°

=> 6a = 360

=> a = 360 / 6

=> a = 60°

Angle measures :-

a° = 60 °

2a° = 2 × 60° = 120°