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Plane Geometry Formulas You Must Know for the ACT
Interior angles of a polygon Area of a trianglePythagorean theoremArea and perimeter of a square of side sArea and perimeter of a rectangle of sides l and wArea of a parallelogramArea of a trapezoidDiameter, area, and circumference of a circleArc length of a circleVolume and surface area of a cubeVolume and surface area of a boxVolume and surface area of a sphereVolume of a right prismVolume of a pyramidVolume of a cylinderVolume of a cone
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