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# What Is a 3D Rectangular Object Called?

**A three-dimensional rectangular object is called a "cuboid," which means "similar to a cube" or "resembling a cube."** It is also referred to as a "rectangular parallelepiped."

A cuboid contains six plane surfaces, with all of its vertices forming 90-degree angles. Two of a cuboid's properties are volume and surface area. The formula for calculating the volume is V = lwh, where "V" denotes the volume, "l" indicates the length, "w" represents the width and "h" is the cuboid's height. The formula for the surface area is A = 2wl + 2lh + 2hw, where "A" is the surface area. A cuboid can be classified as a "prism" because it has a uniform cross-section along its length.

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## How Many Sides Does a Rectangular Prism Have?

A: A rectangular prism has six faces or sides that are quadrilaterals, and they are arranged so that the figures meet at eight corners or vertices. The places... Full Answer >Filed Under: -
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## What Is the Surface Area of a Rectangular Pyramid?

A: The surface area of a rectangular pyramid is found by adding the area of the base to the combined area of the four triangular sides. The area of the base i... Full Answer >Filed Under: -
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## How Many Flat Surfaces Does a Rectangular Prism Have?

A: A rectangular prism is a three-dimensional figure with six flat faces. It also has 12 edges and 8 vertices where the faces meet each other. Full Answer >Filed Under: -
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## How Do You Find the Area of a Rectangular Prism?

A: To find the surface area of a rectangular prism, find its length, width and height. Multiply width times height, length times width, and length times heigh... Full Answer >Filed Under: