Advertisements
Advertisements
प्रश्न
If the ratio of the sides of two cubes are 2 : 3, then ratio of their surface areas will be
विकल्प
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 volume increase?
Find the volume of a cube whose side is 8 cm .
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 surface area of a cube whose edge is 6 m .
Find the volume of a cube whose surface area is 150 m2 .
A square plate of side 'x' cm is 8 mm thick. If its volume is 2880 cm3; find the value of x.
Find the volume of a cube whose diagonals is `sqrt(48)"cm"`.
Find the T.S.A and L.S.A of the cube whose side is 8 m
The areas of any two faces of a cube are equal.
