Question

The angles of a triangle are x°,4x° and 5x°.Find x

Answer 1

Answer:

Sum of the angles in a triangle=180°

x+4x+5x=180

10x=180

x=18°

Answer 2

Answer:

as we know that

A + B + C = 180°

x° + 4x° + 5x° = 180°

10x° = 180°

x = 180°/10

x = 18°