1. If the length of the side of a cube is doubled, how much per cent will its total
surface area increase?
(1) 400 (2) 300 (3) 200 (4) 100
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1. If the length of the side of a cube is doubled, how much per cent will its total
surface area increase?
(1) 400 (2) 300 (3) 200 (4) 100
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Step-by-step explanation:
tsa=6a²
when doubled= 6(2a)² = 6(4a²)
= 24a²
ratio:
6a² : 24a²
6 : 24
3. :. 12
1. :. 4
400%
Answer:
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