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The greatest side of a triangle is two m...

The greatest side of a triangle is two more than double of its smallest side while middle one is one unit less than greatest side. If the smallest side is equal to the least odd prime number then ratio of circumradius and inradius of the triangle is

A

`12:7`

B

`7:2`

C

`7:3`

D

`4:1`

Text Solution

Verified by Experts

The correct Answer is:
B
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LUCENT PUBLICATION-CENTRE OF TRIANGLE-EXERCISE-6A
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  2. In a triangle ABC, AB = 5 cm, BC = 6 cm and CA = 7 cm. If bisectors of...

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  3. The semiperimeter of a triangle is S and its centroid is G. What is th...

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  4. The length of three medians of a triangle are 9 cm, 12 cm and 15 cm. T...

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  5. The ortho centre of a right angled triangle lies

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  6. ABC is an isosceles right Angle triangle . I is incentre. Find ratio o...

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  7. A triangle is formed by joining mid points of sides of a triangle and...

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  8. In a triangle ABC if sides AB = c = 4 cm, side AC = b = 6 cm and BC = ...

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  9. In a triangle ABC if sides AB = c = 4 cm, side AC = b = 6 cm and BC = ...

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  10. In a triangle ABC if sides AB = c = 4 cm, side AC = b = 6 cm and BC = ...

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  11. In a triangle ABC if sides AB = c = 4 cm, side AC = b = 6 cm and BC = ...

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  12. If area of a triangle is 81 cm^(2) and its semiperimeter is 27 cm then...

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  13. If sides of a triangle are respectively 5 cm, 6 cm and 7 cm then radiu...

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  14. The sides of a triangle are 8 cm, 15 cm and 17 cm. The sum of radii of...

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  15. The sides of a triangle are 9 cm, 40 cm and 41 cm. The distance betwee...

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  16. If ratio of sides of a triangle are 4 : 5 : 6 then what is the ratio o...

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  17. The greatest side of a triangle is two more than double of its smalles...

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  18. In a trianlge ABC if A=90^(@), b =3 and c=4 then R : r is

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  19. If sides of a triangle are 3 cm, 4 cm and 5 cm then what is the distan...

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  20. If triangle formed by medians of a right angled triangle is also a rig...

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