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In triangle A B C , let /c=pi/2dot If r ...

In triangle `A B C ,` let `/_c=pi/2dot` If `r` is the inradius and `R` is circumradius of the triangle, then `2(r+R)` is equal to `a+b` (b) `b+c` `c+a` (d) `a+b+c`

A

`c+a`

B

`a+b+c`

C

`a+b`

D

`b+c`

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ARIHANT MATHS ENGLISH-PROPERTIES AND SOLUTION OF TRIANGLES -Exercise (Questions Asked In Previous 13 Years Exam)
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  7. A triangle A B C with fixed base B C , the vertex A moves such that co...

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  8. Let A B Ca n dA B C ' be two non-congruent triangles with sides A B=4,...

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  9. A straight line through the vertex P of a triangle P Q R intersects th...

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  11. Consider the circle x^2 + y^2 = 9 and the parabola y^2 = 8x. They inte...

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  12. Consider the circle x^2 + y^2 = 9 and the parabola y^2 = 8x. They inte...

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  13. Internal bisector of /A of triangle ABC meets side BC at D. A line dra...

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  16. Let a vertical tower A B have its end A on the level ground. Let C be ...

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  18. For a regular polygon, let r and R be the radii of the inscribed and t...

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  19. In triangle A B C , let /c=pi/2dot If r is the inradius and R is circu...

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