How it works
Area = l·w, perimeter = 2(l + w), diagonal = √(l² + w²).
Rectangle Calculator
Area, perimeter and diagonal of a rectangle.
Your details
Area
40
Perimeter
26
Diagonal
9.434
Area, perimeter and diagonal of a rectangle.
Area = l·w, perimeter = 2(l + w), diagonal = √(l² + w²).