What is the perimeter of a rectangle with length 5 cm and width 3 cm?

What is the perimeter of a rectangle with length 5 cm and width 3 cm?

• A. 8 cm
• B. 15 cm
• C. 16 cm
• D. 24 cm

Answer: (C)

To find the perimeter of a rectangle, the formula used is: Perimeter \( P = 2 \times (length + width) \). In this case, the length of the rectangle is 5 cm and the width is 3 cm. Plugging these values into the formula gives: \( P = 2 \times (5 \text{ cm} + 3 \text{ cm}) \) \( P = 2 \times 8 \text{ cm} \) \( P = 16 \text{ cm} \). Thus, the perimeter of the rectangle is 16 cm, which justifies why this is the correct answer.

To find the perimeter of a rectangle, the formula used is:

Perimeter ( P = 2 \times (length + width) ).

In this case, the length of the rectangle is 5 cm and the width is 3 cm. Plugging these values into the formula gives:

( P = 2 \times (5 \text{ cm} + 3 \text{ cm}) )

( P = 2 \times 8 \text{ cm} )

( P = 16 \text{ cm} ).

Thus, the perimeter of the rectangle is 16 cm, which justifies why this is the correct answer.