JEE Advanced 2020 Concept Recapitulation Test 2 Paper 1

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Question : 48 of 54

Marks: +1, -0

If A,A4,A2,A3 are the areas of the inscribed and escribed circle of a △ABC, then

√A1+√A2+√A3=√π(r1+r2+r3)
‌
1
√A1
+‌
1
√A2
+‌
1
√A3
=‌
1
√A
‌
1
√A1
+‌
1
√A2
+‌
1
√A3
=‌
s2
√πrr2r3
√A1+√A2+√A3=√π(4R+r)

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