Question

the ratio between the measure of the interior angles of the triangle is 3:4:7, find the degree measure of each angle ​

Answer 1

3 + 4 + 7 = 14
180 / 14 = 90/7
The three angles are:
3 x 90/7 = 270/7 = 38.6 degrees (1 d.p.)
4 x 90/7 = 360/7 = 51.4 degrees (1 d.p.)
7 x 90/7 = 90 degrees