DIRECTIONS : In Question Nos. 96 to 100, a part of the sentence is A vertical pole and a vertical tower are standing on the same level ground. Height of the pole is 10 metres. Form the top of the pol…

Question

DIRECTIONS : In Question Nos. 96 to 100, a part of the sentence is A vertical pole and a vertical tower are standing on the same level ground. Height of the pole is 10 metres. Form the top of the pole is the angle of elevation of the top of the tower and angle of depression of the foot of the tower are 60° and 30° respectively. The height of the tower is

Testwala · Accepted Answer

40 m

Testwala · Answer

Explanation: A 60° E B 30° 10 m 10 m C D ED = BC = 10 m In DABE, tan60° = AB EB AB = Þ = 3 AB 3EB ...(1) EB In DEBC, tan 30° = BC EB 1 10 = Þ = EB 10 3m EB 3 Putting value of EB in (1) ( ) = 3 10 3 30m AB = AC = AB + BC = 40 m

Answer: C. 40 m

Explanation

Answer: C. 40 m

Explanation