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Kalicharan

· started a discussion

· 1 Months ago

Doubt (Question:271963.0)

Why the formula x=(1/2.p.q)/(p+q+r)/2 not applicable

Question:

Let p, q and r are sides of right angle triangle, where r is the hypotenuse. The radius of the circle which touches the sides of the triangle is –

Options:
A)

(p+q-r)2    

B)

(p+q+r)2    

C)

(p+2q+2r)2    

D)

(2p+2q-r)2    

Solution:

Ans: (a)

  

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