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The interior angles formed by the sides of a hexagon have measures that sum to 720°. What is the measure of angle A? Enter your answer in the box.


​ m∠A ___

The interior angles formed by the sides of a hexagon have measures that sum to 720 . What is the measure of angle A? Enter your answer in the box. m A class=

Verified Answer :

MissPhiladelphia

The sum of the interior angles of a hexagon is 720 degrees. 

The figure shows that:

720 = ∠A + ∠B + ∠C + ∠D + ∠E + ∠F
720 = (x-60) + (x-40) + 130 + 120 + 110 + (x-20)

solve for x: 

x = 160. Therefore, ∠A = (x-60) = 100

Answer:

100

Step-by-step explanation:

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