Ask Question
22 April, 03:22

What is the length of each edge of a cube if its surface area is 486 square units?

+2
Answers (1)
  1. 22 April, 03:28
    0
    SA = 2LW + 2LH + 2WH

    Since it is a cube, all of the dimensions, LWH, will be the same.

    SA = 2s^2 + 2s^2 + 2s^2

    SA = 6s^2

    486 = 6s^2

    Divide both sides by 6

    81 = s^2

    Take the square root of both sides.

    9 = s
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “What is the length of each edge of a cube if its surface area is 486 square units? ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers