What are the radius of the base and slant helght of a cone made by rolling up a sector of central angle `60^circ` and of radius 10 centimetres cut out from a circle?

What is the ratio of the base-radius and slant height of a cone made by rolling up a semicircle?

The base radius of a cone made by rolling up a sector is 3 centimetres. Its slant height is 15 centimetres.Calculate the area of this sector.

Find the ratio between the radius and slant height of a cone by rolling up a sector with central angle 120^circ . If the curved surface area is '108 pi'. - Find the radius and slant height of the cone.

What is the length of an arc of central angle 50^(circ) , in a circle of radius 2.5 centimetres?

The base radius of a cone made by rolling up a sector is 3 centimetres. Its slant height is 15 centimetres.What is the central angle of the sector?

The base radius of a cone made by rolling up a sector is 3 centimetres. Its slant height is 15 centimetres.What is the radius of the sector used to make the cone?

The ratio between the radius and slant height of a cone is '2: 3'. Find the central angle of the sector to make thẻ cone.

What is the area of a sector of central angle 120^(circ) in a circle of radius 3 centimetres? What is the areá of a sector of. the same central angle in a circle of radius 6 centimetres?

What is the length of ä chord which is 3 centimetres away from the centre of a. circle of radius 5 centimetres?

In a circle, the length of an arc of central angle 40^(circ) 'is 3 pi centimetres. What is the perimeter of the circle? What is its radius?