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A "perimeter" is a 2D measurement and cannot be applied to a 3D object. However, sometimes the area around a building or piece of property to be protected is known as a perimeter. In that case, measure the sides of the facet of the object facing the ground, add them up and you have a perimeter.

"Surface area" would be the closest thing to a perimeter, purely speaking. Measure the area of one facet of an regular 3D object (such as a cube), multiply that number by the number of facets, and you get the surface area.

Q: Perimeter of a 3D shape

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a pyramid is a 3D shape :)

is a square a 3d shape

Paper is a 3D object.

3D objects do not have perimeters.

A shape in 3D is a polygon. Poly=many and gon=shape.

Related questions

how can you find the perimeter of a cone i.e. a 3d shape!

Diameter

It depends on the 3d shape.

It is not a 3D shape.

perimeter is when you have a shape and then you have your area and that is what is in the middle of the shape and perimeter is the edge of the shape.

A camera is a 3D shape. A photograph is a 2D projection of a 3D shape onto a 2D shape.

a pyramid is a 3D shape :)

what 3d shape is a tyre

is a square a 3d shape

In order to find the perimeter of a 3D rectangle you must gather the lengths of the known sides, calculate the missing rectangular values, and use the formula for perimeter.

Paper is a 3D object.

A diamond is a 3D shape, specifically a type of polyhedron known as a rhombus. A rhombus is a quadrilateral with all sides of equal length, opposite sides parallel, and opposite angles equal. In a three-dimensional space, a diamond shape is a polyhedron with four faces that are congruent rhombi.