Mensurationeasy · Past Paper
Find the total surface area of a cube whose edge length is 5 cm.
A25 cm²
B100 cm²
C125 cm²
D150 cm²
✓ Correct Answer: D — 150 cm²
Total surface area of a cube = 6l² = 6 * (5)² = 6 * 25 = 150 cm².
Share this question
More from Mensuration
- A hemispherical depression is cut out from one face of a cubical wooden block such that the diameter d of the hemisphere is equal to the edge of the cube. Find the volume of the remaining solid.
- A metal sphere of radius 6 cm is melted and recast into small spheres of radius 2 cm each. Find the number of small spheres.
- The area of a circle is 154 sq. cm. What is its radius?
- What is the area of a semi-circle with a radius of 14 cm? (Take pi = 22/7)
- Find the volume of a right prism of height 12 cm whose base is a right-angled triangle with sides 3 cm and 4 cm.