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The tops of two poles of height 20 m a...

The tops of two poles of height 20 m and 14 m are connected by a wire. If the wire makes an angle of `30^o` with horizontal, then the length of the wire is (a) 12 m (b) 10 m (c) 8 m (d) 6 m

A

8 m

B

12 m

C

10 m

D

3 m

Text Solution

Verified by Experts

Let AO and CD be the towers .

In triangle ABC AC= 6 cosec `30 ^@ = 12 m `
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CENGAGE PUBLICATION-HIGHT AND DISTANCE -Exercises
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