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A circle of radius 4cm is inscribed in ...

A circle of radius 4cm is inscribed in ` A B C ,` which touches the side `B C a t Ddot` If `B D=6c m ,D C=8c m` then (a) the triangle is necessarily acute angled (b) `tan(A/2)=4/7` (c) perimeter of the triangle `A B C` is `42c m` (d) area of ` A B C` is `84c m^2`

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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
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  3. A circle of radius 4cm is inscribed in A B C , which touches the side...

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