What is the measure of ∠A?
A) 157°
B) 159°
C) 161°
D) 163°
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Answer:
A = 157 degree
Step-by-step explanation:
x+16 = 4x - 5
3x = 21
x = 7
A + (X + 16) = 180
A = 180 - X - 16
A = 157 degree