Question

12
Angle of a triangle are in the ratio 3:4:5. Find the largest
angle of triangle.​

Answer 1

1 part = X

so;

3x+5x+4x=180

12x=180

x=180/12

15

Answer 2

Answer:

Step-by-step explanation:

Let x is including in the ratio.

Then, 3x, 4x, 5x

3x+4x+5x=180°

12x=180°

x=15°

3x=3×15°=45°

4x=4×15°=60°

5x=5×15°=75°

Largest angle=75°