Answer:
∠ 3 = 63°
Step-by-step explanation:
∠ 2 and ∠ 3 are adjacent angles and supplementary, thus
∠ 2 + ∠ 3 = 180°, that is
117° + ∠ 3 = 180° ( subtract 117° from both sides )
43 in^2
B
The answer is undefined
