Plane geometry formulas

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Area from Coordinates (Shoelace Formula)
Distance and Midpoint Between Two Points
Kite Area and Perimeter
Parallelogram Area and Perimeter
Point-Slope Equation of a Line
Polygon Interior and Exterior Angle Sums
Rectangle Area, Perimeter and Diagonal
Regular Polygon Area and Perimeter
Regular Polygon Interior and Exterior Angles
Rhombus Area and Perimeter
Slope Between Two Points
Slope-Intercept Equation of a Line
Square Area, Perimeter and Diagonal
Trapezoid Area and Midsegment

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