Question

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​

Answer 1

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 2

Answer:

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