Which are acute angles? Find and write their measures.

Measure the angle given below and write them?

Measure the angle given below and write them?

Measure the angle given below and write them?

Measure the angle given below and write them?

Measure the angle given below and write them?

In a right angle triangle, one acute angles is 45^@ . Find the other acute angle.

If sec2A=cosec(A-27) , when 2A is an acute angle, then the measure of /_A is

Two angles are complementary. The larger angle is 10^@ more than thrice the measure of the smaller angle. Find the measure of each angle.

In a right angled triangle one acute angle is 37^@ . Find the other acute angle.