1 : 9
Exlanation
As the ratio of volume of two cubes are 1 : 27.
∴ The ratio of each side of the cubes
=3 \sqrt{1}: 3 \sqrt{27}=1: 3
The ratio of total surface areas of the two cubes = 6(1)2: 6(3)2 = 12 : 32 = 1 : 9
1 : 9
Exlanation
As the ratio of volume of two cubes are 1 : 27.
∴ The ratio of each side of the cubes
=3 \sqrt{1}: 3 \sqrt{27}=1: 3
The ratio of total surface areas of the two cubes = 6(1)2: 6(3)2 = 12 : 32 = 1 : 9
Was this answer helpful?