If the complement of an angle is 62°, then find its supplement.

Can two acute angles form a pair of supplementary angles? Give reason in support of your answer.

Two lines AB and CD intersect at O (Fig. 5.44). Write all the pairs of adjacent angles by taking angles 1, 2, 3, and 4 only.

A road crosses a railway line at an angle of 30° as shown in Fig.5.45. Find the values of a, b and c.

The legs of a stool make an angle of 35° with the floor as shown in Fig. 5.46. Find the angles x and y.