Mensurationmedium · Past Paper
A right prism has a height of 15 cm and its base is an equilateral triangle of side 6 cm. Find its lateral surface area.
A90 cm²
B270 cm²
C180 cm²
D225 cm²
✓ Correct Answer: B — 270 cm²
Lateral Surface Area = Perimeter * height = (6+6+6) * 15 = 18 * 15 = 270 cm².
Share this question
More from Mensuration
- The volume of a cylinder is 448π cm^3 and height is 7 cm. Find its radius.
- The area of the curved surface of a cone is 308 cm² and its radius is 7 cm. Find its slant height.
- The volume of two spheres are in the ratio 64:27. Find the ratio of their surface areas.
- The ratio of the radii of two cylinders is 1:√3 and their heights are in the ratio 2:3. Find the ratio of their volumes.
- A spherical glass vessel has a cylindrical neck 8 cm long, 2 cm in diameter; the diameter of the spherical part is 8.5 cm. Find the volume of water it can hold.