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TRINA DAS

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· 1 Months ago

Explain (Question:236938.0)

Explain how the formula of finding in-circle is derived.

Question:
ABC is an isosceles triangle in which AB = AC and ∠A=2∠B, AB = 4 cm. What is the ratio of, inradius to the circumradius?
Options:
A) 1 : 2
B) \((\sqrt[]{2}-1) : 1\)
C) \(1 : (2\sqrt[]{2}+1)\)
D) None of these
Solution:
Ans: (b) 


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