1.Two Cubes have their volumes in the ratio 1:27. Find the ratio of th

1.	1.Two Cubes have their volumes in the ratio 1:27. Find the ratio of their surface areas.t than find the value ofk
Answer» Let side of cube one = s1Let side of cube two = s2 V1/V2 = 1/27s1^3/s2^3 = 1/27 Then,s1/s2 = 1/3 Ratio of surface area of two cubesSA1/SA2 = 6s1^2/6s2^2 = (1/3)^2 = 1/9 Therefore ratio of surface area of two cubes is 1:9

1.Two Cubes have their volumes in the ratio 1:27. Find the ratio of their surface areas.t than find the value ofk

Answer»

Let side of cube one = s1Let side of cube two = s2

V1/V2 = 1/27s1^3/s2^3 = 1/27

Then,s1/s2 = 1/3

Ratio of surface area of two cubesSA1/SA2 = 6*s1^2/6*s2^2 = (1/3)^2 = 1/9

Therefore ratio of surface area of two cubes is 1:9