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The height and the radius of the base of...

The height and the radius of the base of a right circular cone are 12 cm and 6 cm respectively. The radius of the circular cross-section of the cone cut by a plane parallel to its base at a distance of 3 cm from the base is___

A

4 cm

B

5.5 cm

C

4.5 cm

D

3.5 cm

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UNITED BOOK HOUSE-Right Circular Cone-Exercise
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  4. A metallic hemisphere is melted and recast in the shape of a cone with...

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  5. Volume of two cones are in the ratio 1 : 4 and their diameter in the r...

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  6. If a right circular cone is separated into solids of volumes V1, V2, V...

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  7. The height of the cone is 30 cm. A small cone is cut off at the top by...

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  8. If the area of the base of a cone is 770 cm^2 and the area of the curv...

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  9. The radius of the base and height of a right circular cone are in the ...

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  10. Two solid right cones of equal height and of radii r1 and r2 are melte...

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  11. The radius of the base of a right circular cone is doubled keeping its...

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  12. The base of a right circular cone has the same radius a as that of a s...

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  13. The circumference of the base of a 16 cm height solid cone is 33 cm. W...

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  14. The volume of a conical tent is 1232 cu. M and the area of its base is...

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  15. If S denotes the area of the curved surface of a right circular cone o...

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  16. The height and the radius of the base of a right circular cone are 12 ...

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  17. A right angled sector of radius r cm is rolled up into a cone in such ...

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  18. The radius of base and slant height of a cone are in the ratio 4 : 7. ...

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  19. If h, c, v are respectively the height, curved surface area and volume...

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  20. The radius of the base of a conical tent is 16 metres. If 427 3/7 sq. ...

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