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Assertion (A) : If the height of the con...

Assertion (A) : If the height of the cone is 24 cm and diameter of the base is 14 cm, then the slant height of the cone is 15 cm.
Reason (R) : If r be the radius of the cone and h be the height of the cone, then slant height `= sqrt((h^(2) + r^(2)))`.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true and R is not the correct explanation of A.

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • The height of a cone is 24 cm and the diameter of its base is 14 cm. The curved surface area of the cone is

    A
    `528 cm^(2)`
    B
    `550 cm^(2)`
    C
    `616 cm^(2)`
    D
    `704 cm^(2)`

  • The slant height of the cone is 17 cm and its radius is 8 cm. Find its height.

    A
    21 cm
    B
    15 cm
    C
    12 cm
    D
    14 cm

  • If the radius and height of the cone area 5 cm and 12 cm respectively, the its slant height is

    A
    7 cm
    B
    13 cm
    C
    17 cm
    D
    24 cm

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