Geometry Calculator
Calculate area, perimeter, and more for common geometric shapes
Circle
Area:
0
Circumference:
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Rectangle
Area:
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Perimeter:
0
Triangle
Area:
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Square
Area:
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Perimeter:
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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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