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The string of a kite is 30m long and it ...

The string of a kite is 30m long and it makes an angle `60^@` with the horizontal. The height of the kite above the ground is:
पतंग की डोर 30 मी लंबी है और यह क्षेतिज से `60^@` का कोण बनाती है। जमीन के ऊपर पतंग की ऊंचाई है:

A

`10 sqrt3 m`

B

15m

C

7.5 m

D

`15 sqrt3 m`

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