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Rectangular Prism Calculator

Calculate the volume, surface area, and space diagonal of a rectangular prism (box) from its length, width, and height — with step-by-step work.
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Rectangle Graph
Learn the concept
Surface Area of 3D Shapes
Calculate the total surface area of rectangular prisms, cylinders, cones, spheres, and pyramids — and apply these formulas to real-world packaging and coating problems.
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