Question

The angles of a triangle are in the ratio 2 : 3 : 4. Then the angles of the triangle are
a. 40°,90°,50°
b. 40°,60°,80°
c. 60°,30°,90°
d. 20°,100°,60°​

Answer 1

let angles 2x , 3x , 4x

now 2x+3x+4x = 180

9x =180

X = 180/9

X=20

so, answer is b 40,60,80