Question

The three angles in a triangle are in the ratio 3:5:7. Find the largest angle in the triangle?

Answer 1

Answer: The largest angle is 7x

Step-by-step explanation:

Their sum is 180, so

3x + 5x + 7x = 180

5x = 180 --> x = 12

The largest angle is 7x, which is 7(12) = 84