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If a rectangle has a length of 10 cm and a width of 4 cm, what is its area?

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Question: If a rectangle has a length of 10 cm and a width of 4 cm, what is its area?

Options:

  1. 40 cm²
  2. 44 cm²
  3. 50 cm²
  4. 60 cm²

Correct Answer: 40 cm²

Solution: 

Area of a rectangle is calculated as length × width, so 10 cm × 4 cm = 40 cm².

If a rectangle has a length of 10 cm and a width of 4 cm, what is its area?

Practice Questions

Q1
If a rectangle has a length of 10 cm and a width of 4 cm, what is its area?
  1. 40 cm²
  2. 44 cm²
  3. 50 cm²
  4. 60 cm²

Questions & Step-by-Step Solutions

If a rectangle has a length of 10 cm and a width of 4 cm, what is its area?
  • Step 1: Identify the length of the rectangle, which is 10 cm.
  • Step 2: Identify the width of the rectangle, which is 4 cm.
  • Step 3: Use the formula for the area of a rectangle, which is Area = length × width.
  • Step 4: Substitute the values into the formula: Area = 10 cm × 4 cm.
  • Step 5: Calculate the multiplication: 10 × 4 = 40.
  • Step 6: Write the final answer with the correct unit: The area is 40 cm².
  • Area of a Rectangle – The area of a rectangle is calculated by multiplying its length by its width.
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