Question

Find all the angles of the triangle in which the ratio of the sides are 9 : 12:13​

Answer 1

Answer:

sorry but I don't know

Step-by-step explanation:

Mark me brainest

Answer 2

let common multiple be x

9x: 12x:13x

9x + 12x + 13 = 180 ..all angles of triangle

34x = 180

x = 180/34 = 5.29

x = 5.29

angles:

9x = 9 × 5.29 = 47.61°

12x = 12 × 5.29 = 63.48°

13x = 13 × 5.29 = 68.77°