Question

Find the ratio of the interior angles of a triangle if their respective exterior angles are in the ratio of 5:6:7.

Answer 1

well, if the small angle is 5x, then

5x+6x+7x = 180

Now just find x and figure the angles.

Answer 2

Each of 2 two base angles of a triangle is twice of its vertical angle .find the value of the angle of a triangle