Question

In a right angled triangle if one of the acute angles measures 40°, find the measure of the other acute angle.

Answer 1

Answer:

In an right angled triangle,

θ

1

+θ

2

=90°

40°+θ

2

=90°

θ

2

=50°

Thus, the other acute angle is 50°

Answer 2

Answer:

First angle = 90° (It's a right angled triangle)

Second angle = 40°

Third angle = x

Sum of interior sum of a triangle is 180°.

90° + 40° + x = 180°

130° + x = 180°

x = 180° - 130°

x = 50°

So the measure of other acute angle is 50°