A rectangle has an area of 144 square centimeters and a length of 16 centimeters. What is its perimeter?
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- First find the width from the area and length.
- Calculate 2 × (16 + 144 ÷ 16).
Show the answer and solution
Answer: 50
The width is 144 ÷ 16 = 9 centimeters. The perimeter is 2 × (16 + 9) = 50 centimeters.