CBSE Class 10 Answered
angle
Asked by | 12 Feb, 2009, 09:36: PM
Expert Answer
let the string length is x for second boy and sin θ = string length / height
as base is same for the boys so for first boy sin 30 = 1/2 = 100 / h ===> h = 200 and for second boy sin 45 = x / h - 10 putting value of h we get 1 / 2 = x / 190 ===> x = 190 / 1.414 = 134.37m
Answered by | 13 Feb, 2009, 12:17: AM
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