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Question from cailtlin, a student:

hi.. if the surface area of a cube is 384 cm^2, how could i find the length of one edge? thank you

Hi Cailtlin,

The surface of a cube is made from 6 congruent squares.

cube

What is the area of each square?

What is the formula for the area of a square?

Use the answer to the two previous questions to find the length of an edge.

Penny

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