Advertisements
Advertisements
प्रश्न
Find the lateral surface area and total surface area of a cube of edge 10 cm.
उत्तर
Cube of edge a =10cm
WKT,
Cube lateral surface area`4a^2`
`=4xx10xx10 [∵a=10]`
`=400cm^2`
Total surface area `a=6a^2`
`=6xx(10)^2`
`=600cm^2`
APPEARS IN
संबंधित प्रश्न
What will happen to the volume of a cuboid if its Length is doubled, height is doubled and breadth is sama?
Find the weight of solid rectangular iron piece of size 50 cm × 40 cm × 10cm, if 1 cm3 of iron weighs 8 gm.
If the volumes of two cubes are in the ratio 8: 1, then the ratio of their edges is
The area of the floor of a room is 15 m2. If its height is 4 m, then the volume of the air contained in the room is
If radii of two cylinders are in the ratio 4 : 3 and their heights are in the ratio 5: 6, find the ratio of their curved surfaces.
A closed box is made of wood 5 mm thick. The external length, breadth and height of the box are 21 cm, 13 cm and 11 cm respectively. Find the volume of the wood used in making the box.
A room is 5m long, 2m broad and 4m high. Calculate the number of persons it can accommodate if each person needs 0.16m3 of air.
All six faces of a cuboid are ______ in shape and of ______ area.
Three cubes each of side 10 cm are joined end to end. Find the surface area of the resultant figure.