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The height of a right circular cone and ...

The height of a right circular cone and its diameter of base equal, then the ratio of whole surface area and curved surface area will be

A

`(1)/(sqrt(5)):1`

B

`(1)/(sqrt(2)):1`

C

`1:(1)/(sqrt(5))`

D

`1:(1)/(sqrt(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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CALCUTTA BOOK HOUSE-RIGHT CIRCULAR CONE -Exercise 1
  1. The ratio of the radius of the base and height of a right circular con...

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  2. The ratio of the heights of two right circular cones is 1:3 and the ra...

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  3. The height of a right circular cone and its diameter of base equal, th...

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  4. If the area of the base of a right circular cone be 4pi r^2 sq-cm and ...

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  5. The ratio of the diameters of the bases of two right circular cones is...

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  6. If the height of a right circular cone be 4.8 cm and its diameter of b...

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  7. If the circumference of the base of a right circular cone be (264)/(7)...

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  8. The radius of base and height of a right cone are equal . Keeping radi...

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  9. If the total surface area of a right circular cone of radius 3cm be 24...

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  10. The curved surface area of a right circular cone of height h unit and...

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  11. If the whole surface area of a right circular cone be A1 sq- unit andi...

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  12. If the radius of base and height of a right circular cone be increased...

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  13. The slant height of a right circular cone of radius of base 4 unit and...

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  14. The curved surface area of a right circular cone of height 3 times of ...

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  15. The length of slant height of a right circular cone is always greater ...

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  16. Between the 2 surfaces of a closed right circular cone, the one is pla...

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  17. The base of a right circular cone may not be circular.

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  18. if the height and the radius of base of a right circular cone be equal...

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  19. The volume of a right circular cone of radius of base r unit and of he...

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  20. If the vertical angle of a right circular cone be alpha and its radius...

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