Question

Find the angles of a triangle PQR, if its angles are in the ratios 2:3:4?

Answer 1

heya ...the answer is in the pic....

Answer 2

Let the angles be 2x ,3x,4x respectively.
The sum of angles of the triangle = 180°
2x+3x+4x =180°
9x =180°
X =180/9 =20°
2x =2×20=40°
3x = 3×20 =60°
4 x= 4× 20 = 80°
Therefore the angles of the triangle are 40° , 60° and 80° respectively.