Question

Two adjacent angles (A and B) are in the ratio of

4:5. The sum of the angles is equal to 54°. Find
the angle measures.

Answer 1

A=24° B=30°

Explanation:

add the ratios

4+5=9

A:4/9×54°

A=24°

A+B=54(make B subject)

B=54-A

B=54-24

B=30°