Advertisements
Advertisements
Question
Find the surface area of a cube whose edge is 27 cm.
Solution
\[\text { Edge of the a cube = 27 cm }\]
\[ \therefore \text { Surface area of the cube = 6 }\times \text { (side ) }^2 = 6 \times (27 )^2 = 6 \times 729 = 4374 {cm}^2 \]
APPEARS IN
RELATED QUESTIONS
Describe how the two figures at the right are alike and how they are different. Which box has larger lateral surface area?
What will happen to the volume of a cube, if its edge is halved ?
Fill in the blank in the following so as to make the statement true:
1 litre = ........ cu. cm
Find the surface area of a cube whose volume is 343 m3.
Find the volume of a cube whose surface area is 150 m2 .
Side of a cube is 4.5 cm. Find the surface area of all vertical faces and total surface area of the cube.
The dimensions of a solid metallic cuboid are 72 cm × 30 cm × 75 cm. It is melted and recast into identical solid metal cubes with each edge 6 cm. Find the number of cubes formed.
Also, find the cost of polishing the surfaces of all the cubes formed at the rate Rs. 150 per sq. m.
The volume of a cube is 1331 cm3. Find its total surface area.
The square on the diagonal of a cube has an area of 441 cm2. Find the length of the side and total surface area of the cube.
The base of a rectangular container is a square of side 12 cm. This container holds water up to 2 cm from the top. When a cube is placed in the water and is completely submerged, the water rises to the top and 224 cm3 of water overflows. Find the volume and surface area of the cube.
