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JEE MATHEMATICS MCQ: PROPERTIES OF TRIANGLES

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In a ΔABC,let∠C=π2\Delta ABC,\mathrm{let}\angle C = \frac{\pi }{2}, if rr is the inradius and RR is the circumradius of the Δ  ABC\Delta \;ABC, then 2(r+R)2\left( {r + R} \right) equals
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Correct option: C
a+ba + b
Option C a+ba + b is correct because it is derived by using the properties of a right-angled triangle and the formulas for inradius and circumradius.

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