Perimeter Calculator
Calculate the perimeter of various geometric shapes
Circle Perimeter = 2π x radius
Square Perimeter = 4 x side
Rectangle Perimeter = 2 x (length+width)
Triangle Perimeter = side1 + side2 + side3
Parallelogram Perimeter = 2 x (base + side)
Ellipse Perimeter = 2π √((aRadius2 + bRadius2) / 2))
Sector Perimeter = Arc Length + (2 x radius)
Trapezoid Perimeter = base1 + base2 + side1 + side2
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