Answers

2014-03-02T10:36:16+05:30
Tanα=h/b
therefore, b= h/tanα

now , tanβ=h/a
therefore, a=h/tanβ

but, a=b
and when
b-a=h/tanα-h/tanβ
b-a=h(tanβ-tanα/tanα*tanβ)
therefore,
   h=b-a(tanα.tanβ/tanα - tanβ)

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