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The area of the right angled triangle interms of its circumradius and inradius is

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rr+2R

r2r+R

Rr+2R

RR+r

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detailed solution

Correct option is A

Δ=r.s=r(s−a+a)=r(s−a)tan⁡A2+2Rsin⁡A ∵A=90=r(r+2R)

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