Question

Is triangle ABC a right angled triangle? A. Angle A = 3 x Angle C B. Angle B = 2 x Angle C

Answer 1

Answer:

Step-by-step explanation:

Let,∠c=x

∠A=3x

∠B=2x

∠A+∠B+∠C=180°

3x+2x+x=180°

6x=180°

x=180°/6

x=30°=∠C

3x=90°=∠A

2x=60°=∠B

Hence, proven ΔABC is a right angled triangle.