ose the correct answer from the given four options (1 to 9):1In the adjoining figure, the length of BC is(a) 2/3 cm(b) 3 3 cm(c) 4/3 cm(d) 3 cm2 In the adjoining figure, if the angle of elevation is 60and the distance AB 10/3 m, then the height of thetower isTower(a) 20 V3 cm(c) 30 m(b) 10 m(d) 30/3 mHeights and Distances 557

ose the correct answer from the given four options (1 to 9):1In the ad

1.	ose the correct answer from the given four options (1 to 9):1In the adjoining figure, the length of BC is(a) 2/3 cm(b) 3 3 cm(c) 4/3 cm(d) 3 cm2 In the adjoining figure, if the angle of elevation is 60and the distance AB 10/3 m, then the height of thetower isTower(a) 20 V3 cm(c) 30 m(b) 10 m(d) 30/3 mHeights and Distances 557
Answer» 1. sin (30°) = BC/AC1/2 = BC/6BC = 3option (d) is correct