Home
Class 11
MATHS
A piece of paper is in the form of a sec...

A piece of paper is in the form of a sector, making an angle a. The paper is rolled to form a right circular cone of radius 5 cm and height 12 cm. Then the value of angle a is

A

`(10pi)/13`

B

`(9pi)/13`

C

`(5pi)/13`

D

`(6pi)/13`

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

The radius of a right circular cone is 3 cm and its height is 4 cm. The total surface area of the cone is

A piece of paper in the shape of a sector of a circle (see Fig. 1) is rolled up to form a right- circular cone (see Fig. 2). The value of the angle theta is.

The volume of a right circular cone of height 12 cm and base radius 6 cm, is

The radius of the base of a solid right circular cone is 8 cm and its height is 15 cm. The total surface area of the cone is:

The curved surface area of the cone of radius 5 cm and height 12 cm is

A sector is formed by opening out a cone of base radius 8 cm and height 6 cm. Then the radius of the sector is (in cm)

The volume of a right circular cone is 100 pi cm^3 and its height is 12 cm. Find its slant height.

A piece of paper in the shape of a sector of a circle (see Fig.1 ) is rolled up to form a right- circular (see Fig.2). The value of the angle theta is

The height of a right circular cone is 7 cm and radius is 24 cm. Find the slant height of the cone.