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.

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

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.

Iron rods a, b, c, d, e and f are making a design in a bridge as showing Fig. 5.47, in which a ||b, c ||d, e || f. Find the marked angles between

(i) b and c (ii) d and e

(iii) d and f (iv) c and f

Amisha makes a star with the help of line segments a, b, c, d, e and f, in which a || d,b || e and c || f. Chhaya marks an angle as 120° as shown in Fig. 5.48 and asks Amisha to find the ∠x, ∠y and ∠z. Help Amisha in finding the angles.