If r1, r2, r3 are ex-radii and r the in-radius of triangle ABC and r1 – McqOptions

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1.	If r1, r2, r3 are ex-radii and r the in-radius of triangle ABC and r1 = r + r2 + r3, then triangle ABC is
A.	Isoscales triangle
B.	Equilateral triangle
C.	Right angled triangle
D.	None of these
Answer» D. None of these

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