Amazingdolannn Amazingdolannn

19-05-2019
Mathematics

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the measurements of a box are doubled. what happens to its surface area?

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jimrgrant1 jimrgrant1

19-05-2019

Answer:

Surface area increases by a factor of 4

Step-by-step explanation:

Given the linear ratio = a : b, then

the area ratio = a² : b²

Here the linear ratio = 1 : 2, hence

area ratio = 1² : 2² = 1 : 4 ← increase by factor of 4

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