In a right-angled triangle Δ ABC, ∠B = 90° and the difference between the measure of other two angles is 40°. Find the measure of the smallest angle of the triangle.
1
25.5°
2
30°
3
55°
4
25°
In a right-angled triangle Δ ABC, ∠B = 90° and the difference between the measure of other two angles is 40°. Find the measure of the smallest angle of the triangle.