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What is the perimeter of a rectangle with length 10 cm and width 5 cm? (2021)

Practice Questions

Q1
What is the perimeter of a rectangle with length 10 cm and width 5 cm? (2021)
  1. 30 cm
  2. 25 cm
  3. 20 cm
  4. 15 cm

Questions & Step-by-Step Solutions

What is the perimeter of a rectangle with length 10 cm and width 5 cm? (2021)
  • Step 1: Identify the length of the rectangle, which is 10 cm.
  • Step 2: Identify the width of the rectangle, which is 5 cm.
  • Step 3: Use the formula for the perimeter of a rectangle, which is P = 2(length + width).
  • Step 4: Substitute the values into the formula: P = 2(10 + 5).
  • Step 5: Calculate the sum inside the parentheses: 10 + 5 = 15.
  • Step 6: Multiply the sum by 2: P = 2 * 15 = 30.
  • Step 7: State the final answer: The perimeter of the rectangle is 30 cm.
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