If Δ ABC ~ Δ DEF, ∠A = 47°, and ∠E = 63°, then what is the measure of ∠C?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 70°.
∠A = ∠D = 47°
∠B = ∠E = 63°
In ΔABC, ∠A + ∠B + ∠C = 180°
⇒ 47° + 63° + ∠C = 180°
⇒ ∠C = 180° - 110° = 70°