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What is the measure in degrees, of ZA?

What is the measure in degrees, of ZA?-example-1
User Warhansen
by
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1 Answer

1 vote

Answer: 56°

Explanation:

Since the sum of interior angles of a triangle always equals 180, we can set up an equation and solve for x.

40 + 2x + 3x = 180.

Solved for x we get x = 28

Since ∠A = 2x, we sub in x and get 56.

User Regeirk
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