Advertisements
Advertisements
प्रश्न
Find the ratio of the total surface area and lateral surface area of a cube.
Advertisements
उत्तर
Cube total surface area `6a^2`
Where, a = edge of cube
And, lateral surface area`= LSA =4a^2`
Where a =edge of cube
`∴Ratio of TSA and LSA =(6a^2)/(4a^2)is 3/2 is 3:2`
APPEARS IN
संबंधित प्रश्न
Find the surface area of a cuboid whoselength = 3.2 m, breadth = 30 dm, height = 250 cm.
If each edge of a cube, of volume V, is doubled, then the volume of the new cube is
If each edge of a cube is increased by 50%, the percentage increase in its surface area is
The total surface area of a cube is 216 cm2. Find its volume.
A solid cube of edge 14 cm is melted down and recast into smaller and equal cubes each of the edge 2 cm; find the number of smaller cubes obtained.
The dimension of a class-room are; length = 15 m, breadth = 12 m and height = 7.5 m. Find, how many children can be accommodated in this class-room; assuming 3.6 m3 of air is needed for each child.
The length, breadth, and height of a room are 6 m, 5.4 m, and 4 m respectively. Find the area of :
(i) its four-walls
(ii) its roof.
Find the capacity of a cylindrical container with an internal diameter of 28 cm and a height of 20 cm.
The length, breadth, and height of a rectangular solid are in the ratio 6 : 4 :3. If the total surface area is 1728 cm2. Find its dimensions.
The total surface area of a cuboid is 46m2. If its height is 1m and breadth 3m, find its length and volume.
