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If the sides of a triangle are in the ra...

If the sides of a triangle are in the ratio `3 : 7 : 8`, then find `R : r`

A

`2:7`

B

`7:2`

C

`3:7`

D

`7:3`

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The correct Answer is:
B
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OBJECTIVE RD SHARMA-PROPERTIES OF TRIANGLES AND CIRCLES CONNECTED WITH THEM-Chapter Test
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  5. If A is the area and 2s the sum of the sides of a triangle,then

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  6. If in a triangle ABC, right angled at B, s-a=3, s-c=2, then the values...

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  8. In a DeltaA B Csum(b+c)tanA/2tan((B-C)/2)=

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  9. In triangle ABC, angleA=pi/3 and b:c =2:3, tan theta=sqrt3/5, 0 lt the...

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  13. Two sides of a triangle are 2sqrt2 and 2sqrt3cm and the angle opposite...

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  14. In a triangleABC, a=13cm, b=12 and c=5cm The distance of A from BC is

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  15. In a triangleABC,B=pi/8, C=(5pi)/(8). The altitude from A to the side ...

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  16. In a DeltaABC, A=(2pi)/3, b-c=3sqrt3 cm and area(DeltaABC)=(9sqrt3)/2 ...

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  17. In DeltaABC if a=(b-c)sectheta then (2sqrt(bc))/(b-c)sin(A/2)=

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  18. In a DeltaABC, (a + b + c) (b + c - a) = lambda bc. (where symbols ha...

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  19. If in DeltaABC, a=2b and A=3B, then A is equal to

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