37) The volume of two cubes is in the ratio 64 : 125. The ratio of their total surface
areas is
A) 16:25
B) 4:5
4:6
D) 8:25
Answers
Answered by
2
Answer:
answer is (B)
64/125=4/5
Answered by
2
Answer:
16 : 25
Step-by-step explanation:
volume of a cube = a^3
64. = a^3
4^3. = a^3
4. = a1
similarly, for 125 ,
a2 = 5
surface area of a cube = 6 a^2
ratio of surface area =
6(a1)^2 / 6(a2)^2
= (a1)^2 /(a2)^2
= 4^2 / 5^2
= 16 / 25
= 16 : 25
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