Q1 of 52 Page 160

Choose the correct alternative answer for each of the following question.

Find the curved surface area of a cone of radius 7 cm and height 24 cm.

Radius, r = 7cm


Vertical Height, h = 24 cm




⇒ l = 25 cm


Curved Surface Area of cone, A = πrl



⇒ A = 550 sq.cm


∴ Option (B) is correct.

More from this chapter

All 52 →
1

Choose the correct alternative answer for each of the following question.

If measure of an arc of a circle is 160° and its length is 44 cm, find the circumference of the circle.

 1

Choose the correct alternative answer for each of the following question.

Find the perimeter of a sector of a circle if its measure is 90° and radius is 7 cm.

 1

Choose the correct alternative answer for each of the following question.

The curved surface area of a cylinder is 440 cm2 and its radius is 5 cm. Find its height.

 1

Choose the correct alternative answer for each of the following question.

A cone was melted and cast into a cylinder of the same radius as that of the base of the cone. If the height of the cylinder is 5 cm, find the height of the cone.