Multiple choice

If the lateral surface area of a cube is 36 cm2, what is the length of its each edge?

  1. 3 cm

  2. 2 cm

  3. 9 cm

  4. 6 cm
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A Correct answer
Explanation

The lateral surface area of a cube is 4 * a^2. Given 4 * a^2 = 36, then a^2 = 9, so a = 3 cm.

AI explanation

The lateral surface area of a cube is calculated as 4 times the square of its edge length. Setting 4 times the edge squared equal to 36 square centimeters means the edge squared equals 9. Taking the square root gives an edge length of 3 centimeters.

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