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If the lateral surface area of a cube is 100 square inches, what is the length of an edge?

User Vinux
by
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2 Answers

3 votes

Answer:

2√5

Explanation:

I got it correct on founders edtell

User Yoo
by
7.6k points
5 votes

Answer:

Length of an edge=4.0825 inches

Approximately 4.1 inches

Explanation:

Lateral surface area of a cube=100 square inches

There are 6 square surfaces on a cube.

6a^2=surface area of a cube

6a^2=100

Divide both sides by 6

a^2=100/6

a^2=16.6667

Find the square root of both sides

√a^2=√16.6667

a=√16.6667

x=4.0825 inches

Length of an edge=4.0825 inches

User Adi Rohan
by
8.2k points

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