Mensurationmedium · Past Paper
The length of the longest pole that can be put in a room of dimensions 10m x 10m x 5m is:
A15 m
B20 m
C25 m
D12 m
✓ Correct Answer: A — 15 m
Length of diagonal = √(l² + b² + h²) = √(100 + 100 + 25) = √225 = 15 m.
Share this question
More from Mensuration
- If the volume of a cube is 64 cm³, what is the length of its side?
- Find the curved surface area of a hemisphere with diameter 21 cm.
- Find the volume of a cube whose diagonal is 3√3 cm.
- The volume of a hemisphere is 2/3 π r^3. If r=1, the volume is:
- The volume of a sphere is 38808 cm^3. Find its surface area.