Perimeter of a polygon
Find the perimeter of a rectangle or polygon by adding its side lengths. Unlimited questions, five difficulty levels, and a full worked solution every time — free.
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A rectangle has a length of 5 cm and a width of 3 cm. What is its perimeter?
Answer: 16 cm
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A rectangle has a length of 4 m and a width of 2 m. What is its perimeter?
📘 Worked solution
14 + 2 + 4 + 2 = 12A rectangle has two pairs of equal sides, so add all four side lengths.
2Perimeter = 12 mThat's the total distance around the rectangle.
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