Mensurationeasy · Past Paper
The area of the four walls of a room with length 'l', breadth 'b', and height 'h' is given by:
A2(lb+bh+lh)
B2h(l+b)
Clbh
Dl+b+h
✓ Correct Answer: B — 2h(l+b)
The area of four walls is the lateral surface area of the cuboid room, which is 2h(l+b).
Share this question
More from Mensuration
- A hemisphere of radius 3 cm is placed on a cube of side 6 cm. What is the total surface area of the combined solid?
- A cylindrical tank of radius 7 m and height 10 m is full of water. If this water is poured into a rectangular tank of length 22 m and width 10 m, what will be the height of water?
- Area of a triangle whose sides are 6, 8, 10 is:
- What is the volume of a sphere whose surface area is 36π cm²?
- Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km/h. How much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?