CSEC Mathematics · January 2017 · Paper 1 · Question Q57
In triangle ABC, angle A = x^\circ and angle B = 2x^\circ. What is the size of angle C?
- (A)
(180 - 3x)^\circ - (B)
60^\circ - (C)
30^\circ - (D)
\left(\frac{180}{3x}\right)^\circ
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