A boy is flying a kite with a string of length 100 m . If the string is tight and the angle of elevation of the kite is 26° 32' , find the height of the kite correct to one decimal place ( ignore the height of the boy ) .
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Answer:-
- the height of kite is 44.7m
To Find:-
- the height of the kite correct to one decimal place.
Given:-
- Angle of elevation of the kite = 26° 32'
- lenght of string = 100m
Consider:-
- AB as the height of the kite A and AC as the string,
- → AC = 100
- → Take AB = x
In right triangle ABC
- => Sin∅ =
- ⇒sin26° 32′ =
- ⇒0.4467 =
- ⇒x = 100 × 0.4467
- ⇒x = 44.67 ≈ 44.7m
Hence, the height of the kite is 44.7 m.
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