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What is the total surface area of a cube with a side length of 4 cm?

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Question: What is the total surface area of a cube with a side length of 4 cm?

Options:

  1. 48 cm²
  2. 64 cm²
  3. 96 cm²
  4. 32 cm²

Correct Answer: 48 cm²

Solution:

The total surface area of a cube is given by 6s². For a side length of 4 cm, the total surface area is 6(4)² = 96 cm².

What is the total surface area of a cube with a side length of 4 cm?

Practice Questions

Q1
What is the total surface area of a cube with a side length of 4 cm?
  1. 48 cm²
  2. 64 cm²
  3. 96 cm²
  4. 32 cm²

Questions & Step-by-Step Solutions

What is the total surface area of a cube with a side length of 4 cm?
  • Step 1: Understand that a cube has 6 faces.
  • Step 2: Know that the formula for the total surface area of a cube is 6 times the area of one face.
  • Step 3: The area of one face of the cube is found by squaring the side length (s).
  • Step 4: Since the side length (s) is 4 cm, calculate the area of one face: 4 cm × 4 cm = 16 cm².
  • Step 5: Now, multiply the area of one face by 6 to find the total surface area: 6 × 16 cm² = 96 cm².
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