In a △ABC, ∠B = 105∘, ∠=50∘. Find ∠A
We have,
∠A + ∠B + ∠C = 180∘
∠A + 105∘ + 50∘ = 180∘
∠A = 180∘ - 155∘ = 25∘
In ΔABC, ∠B=105∘, ∠C=50∘. Find ∠A. [1 MARK]
In ΔABC, ∠B=105∘, ∠C=50∘. Find ∠A.