Question

Angles of a triangle are in the ratio 1:2:3. What is the largest angle? a) 70° b) 80° c) 90° d) 100°​

Answer 1

Answer:

90

Step-by-step explanation:

1x+2x+3x=180

6x=180

x=30

angles are 1x=1*30=30°

2x=2*30=60°

3x=3*30=90°

largest angle is 90°

Answer 2

Answer:

90°

Step-by-step explanation:

let the angles be x,2x and 3x

x+2x+3x=180°. (sum of all angles of triangle is 180°)

6x=180°

x=30°

largest digit is 3x

3×30°=90°