Rectangle Area Calculator

Length and Width

A rectangle's area counts square units inside it, and perimeter measures the outside boundary.

Formulas: area = length x width; perimeter = 2(length + width).

Understanding Rectangle Area and Perimeter

1. What This Calculator Measures

A rectangle has opposite sides equal and four right angles.

2. How the Calculation Works

The calculator multiplies length by width for area and adds all sides for perimeter.

3. Formula or Rule Used

area = length x width; perimeter = 2(length + width).

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