Geometry Calculator

Calculate area, perimeter, and more for common geometric shapes

Circle

Area: 0
Circumference: 0

Rectangle

Area: 0
Perimeter: 0

Triangle

Area: 0

Square

Area: 0
Perimeter: 0

Geometry Formulas

  • Circle: Area = πr², Circumference = 2πr
  • Rectangle: Area = l × w, Perimeter = 2(l + w)
  • Triangle: Area = ½ × b × h
  • Square: Area = s², Perimeter = 4s

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