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

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

Options:

Correct Answer: 25 cm

Exam Year: 2021

Solution:

The perimeter of a rectangle is given by P = 2(length + width). Here, P = 2(10 + 5) = 30 cm.

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

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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