Q. 214.2( 5 Votes )

21 a kite is flyi

Answer :

We have


Given: Height of the kite above the ground is AB = 45 cm, angle of the inclination of the string with the ground is ACB = 60°


We need to find AC, that is, the length of the string.


So in ∆ABC,


[, ]



√3 AC = 45 × 2


√3 AC = 90


AC =


AC = 30√3 = 30 × 1.73 = 51.9


Hence, the length of the string is 51.9 cm.


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