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In angleABC, AB = 4.12, BC = 4, AC = 5. What is m 2 C? A.25 B. 37.5 C. 43.93 D. 53.08

Written By jamesmary00965 Saturday, May 27, 2023 Add Comment Edit

In angleABC, AB = 4.12, BC = 4, AC = 5. What is m 2 C?
A.25
B. 37.5
C. 43.93
D. 53.08

cos(C) = (4.12^2 + 4^2 - 5^2) / (2(4.12)(4)) ≈ 0.8197
C ≈ 36.99°
To find 2C, we simply multiply C by 2:
2C ≈ 73.98°
Therefore, the correct answer is D. 73.98.

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