Question

the sum of two angles is 90 degree. The angles are
in the ratio 4:5. Find the measure of
each angle.​

Answer 1

Step-by-step explanation:

let angles are x:4x,5x

4x+ 5x= 90

9x= 90

x= 90/9

x= 10

angles are 4x= 4×10= 40°

5x= 5× 10= 50°