Free Cuboid Calculator - Calculates the volume, surface area, diagonals, and space diagonal for a cuboid
Free Decagon Calculator - Solves for the side, perimeter, and area of a decagon.
Free Polygons Calculator - Using various input scenarios of a polygon such as side length, number of sides, apothem, and radius, this calculator determines Perimeter or a polygon and Area of the polygon. This also determines interior angles of a polygon and diagonals of a polygon as well as the total number of 1 vertex diagonals.
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