Question

The measures of the angles of triangle ABC are in the ratio 2:4:9. What are the measures of the angles.

help

Answer 1

let the angle be x

Explanation:

then,

angle1=2x

angle2=4x

angle3=9x

sum of all angles i triangle is 180

then

2x+4x+9x=180

15x=180

x=12

angle1=2*12=24

angle2=4*12=48

angle3=9*12=108