Question

if all the three angle of a triangle in the ratio 2x: 3x: 4x then find the value of each angle

Answer 1

Sum of all angles of triangle = 180°
therefore,
2x + 3x +4x = 180°
9x =180°
x=20°

therefore all angles are:-
2x=2×20=40°
3x=3×20=60°
4x=4×20=80°