Question

In a right angled triangle ,the two acute angle are in the ratio 4:5. find these angles.

Answer 1

4x+5x=90
9x=90
x=90/9
x=10.Ans.
4x=4X10=40
5x=5X10=50.Ans.

Answer 2

Given :- two angles are in ratio 4:5
Find :- angles

Solution :- Let the common ratio be x.

So,

4x + 5x = 90°
9x = 90°
x = 90°/9
x = 10°

4x = 4(10°) = 40°
5x = 5(10°) = 50°

Two angles are 40° and 50°