A boy is standing on the ground and flying a kite with 100 m of string at an
elevation of 30° . Another boy is standing on the roof of a 20 m high building and is
flying his kite at an elevation of 45° . Both the boys are on the opposite sides of
both the kites. Find the length of the string that the second boy must have so that the two kites meet .
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Step-by-step explanation:
The height of the first kite above ground = 100 m * Sin 30 = 50 meters
Let the length of the second kite be : L meters
Height of 2nd kite: L Sin 45 + 10 meters
So L sin 45 + 10 = 50 m
=> L = 40√2 meters
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