Advertisements
Advertisements
प्रश्न
If the ratio of the sides of two cubes are 2 : 3, then ratio of their surface areas will be
पर्याय
4 : 6
4 : 9
6 : 9
16 : 36
Advertisements
उत्तर
4 : 9
Explanation;
Hint:
Ratio of the surface area of cubes = 4a12 : 4a22
= a12 : a22
= 42 : 92
= 4 : 9
APPEARS IN
संबंधित प्रश्न
If each edge of a cube is doubled, how many times will its surface area increase?
What will happen to the volume of a cube, if its edge is trebled?
Fill in the blank in the following so as to make the statement true:
1 kl = ........ cu. dm = ........ cu. cm.
Find the volume of a cube whose surface area is 96 cm2.
Total surface area of a cube is 5400 sq. cm. Find the surface area of all vertical faces of the cube.
The square on the diagonal of a cube has an area of 1875 sq. cm. Calculate:
(i) The side of the cube.
(ii) The total surface area of the cube.
The edges of three cubes of metal are 3 cm, 4 cm, and 5 cm. They are melted and formed into a single cube. Find the edge of the new cube.
The edges of three solid cubes are 6 cm, 8 cm, and 10 cm. These cubes are melted and recast into a single cube. Find the edge of the resulting cube.
If the total surface area of a cube is 2400 cm2 then, find its lateral surface area
The lateral surface area of a cube is 256 m2. The volume of the cube is ______.
