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Find the measure of exterior angle A.

Find the measure of exterior angle A.-example-1

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Exterior A=57



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User Debilski
by
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2 votes

Answer:

exterior ∠ A = 57°

Explanation:

the sum of the exterior angles of a polygon = 360°

sum the 5 exterior angles and equate to 360

6x - 3 + 4x + 8 + 49 + 3x + 30 + 14x + 6 = 360 , that is

27x + 90 = 360 ( subtract 90 from both sides )

27x = 270 ( divide both sides by 27 )

x = 10

Then

exterior ∠ A = 6x - 3 = 6(10) - 3 = 60 - 3 = 57°

User Manuel Navarro
by
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