Heights and Distances Practice Test 1

Question : 40 of 40

Marks: +1, -0

The length of a string between a kite and a point on the ground is 80 m. If the string makes an angle x with the level ground such that

\sin x = 11 /10

, how high is the level?

Solution:

In ΔABC,

{AB}/{AC}=\sin x

⇒{AB}/80=11/10

⇒AB=11×80/10=88m

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