Mensurationeasy · Past Paper
Find the curved surface area of a cone with radius 7 cm and slant height 10 cm.
A70 cm²
B154 cm²
C220 cm²
D440 cm²
✓ Correct Answer: C — 220 cm²
CSA of cone = πrl = (22/7) * 7 * 10 = 220 cm².
Share this question
More from Mensuration
- If the areas of three adjacent faces of a cuboid are x, y, and z, then the volume V is given by:
- The base of a prism is an equilateral triangle of side 4 cm. If its height is 10 cm, find its total surface area.
- If the total surface area of a cube is 216 cm², find its side length.
- Area of a rectangle with length 'x' and breadth 'y' is:
- How many bricks each of size 25cm x 10cm x 8cm will be required to build a wall 5m long, 3m high and 16cm thick?