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数学

Rectangle 计算器

提问

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变量说明

l= lengthw= widthA= areaP= perimeterd= diagonal

Area

Space enclosed by the rectangle.

Perimeter

Total distance around the rectangle.

Diagonal

Length of a corner-to-corner line (Pythagoras).

Find dimensions from area

Rearrange for a missing side.

Find l
Find w
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Reviewed June 2026
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