Example 1
\(l = 8, w = 5 \rightarrow A = 8 \times 5 = 40\) units², \(P = 2(8 + 5) = 26\) units
Rectangle Area Calculator
Calculate rectangle area and perimeter from length and width
Results
Enter values and click Calculate to see the result.
Theory & Formula
A rectangle is a quadrilateral with four right angles and opposite sides equal.
The perimeter is the sum of all side lengths.
Properties
- Property 1.
- Property 2.
- Property 3.
- Property 4.
\(A = l \times w, P = 2(l + w)\)
Worked Examples
Example 2
\(l = 12, w = 3 \rightarrow A = 12 \times 3 = 36\) units², \(P = 2(12 + 3) = 30\) units