Area Calculator

Calculate area of rectangle, circle, triangle, and trapezoid. Perfect for geometry, construction, and land measurement.

010,000
010,000

Area

50

Perimeter

30

Formula

Area = Length Γ— Width = 10 Γ— 5 = 50

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Area Formulas

Rectangle:

Area = Length Γ— Width

Square:

Area = SideΒ²

Circle:

Area = Ο€rΒ²

Triangle:

Area = Β½ Γ— Base Γ— Height

Trapezoid:

Area = Β½ Γ— (a + b) Γ— Height