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If in a triangle (1-(r1)/(r2))(1-(r1)/(r...

If in a triangle `(1-(r_1)/(r_2))(1-(r_1)/(r_3))=2` then the triangle is right angled (b) isosceles equilateral (d) none of these

A

right angled

B

isosceles

C

equilateral

D

None of these

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ARIHANT MATHS ENGLISH-PROPERTIES AND SOLUTION OF TRIANGLES -Exercise (Single Option Correct Type Questions)
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  10. The ratio of the area of a regular polygon of n sides inscribed in a c...

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  13. The perimeter of a triangle ABC is saix times the arithmetic mean of ...

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  14. If there are only two linear functions f and g which map [1,2] on [4,6...

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  16. In any triangle ABC, if sin A , sin B, sin C are in AP, then the maxim...

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  17. In a DeltaABC, 2 cos A=(sin B)/(sin C) and 2 ^(tan^(2)B) is a solution...

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