Net for a cube has a total surface area of 150 in.2. what is the length of one side of a square face

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13-05-2018
Mathematics

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Net for a cube has a total surface area of 150 in.2. what is the length of one side of a square face

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I got stuck on this question

CastleRook CastleRook · Answer 1 · 2018-05-22T15:00:23+02:00

CastleRook CastleRook

22-05-2018

Surface area of a cube is given by
SA=6a²
but
SA=150 in²
thus
150=6a²
solving for a we obtain:
150/6=a²
a²=25
thus
a=√25
a=5 inches
hence the side length is 5inches

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jonesdash26 jonesdash26 · Answer 2 · 2021-07-19T02:23:37+02:00

jonesdash26 jonesdash26

19-07-2021

Answer:

5 in

Step-by-step explanation:

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