1.If each edge of a cube is doubled
(i) how many times will its surface area increase?
(ii) how many times will its volume increase?
Answers
Answered by
1
Answer:
4 times increase will be their in both
Answered by
1
Step-by-step explanation:
edge is double means, length of sides becomes
a = '2a'
(i) surface area of normal cube = 6a^2
answer= 6 × ( 2a)^2 = 4 × (6a^2)
= 4 times surface area
(ii) volume of normal cube = a^3
answer = (2a)^3 = 8 × (a^3)
= 8 times volume
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