Nets and Surface Area Rectangular Prisms

Front

What shape is the base of a rectangular prism?

Back

Rectangle

Front

What 3D solid does a net with rectangular faces create?

Back

Rectangular Prism

Front

How do you find the surface area of a rectangular prism?

Back

Add the areas of all the faces of the prism.

Front

What is the formula for the surface area of a rectangular prism?

Back

Surface Area = 2(lw + lh + wh) where l = length, w = width, h = height.

Front

What is lateral surface area?

Back

The sum of the areas of the sides of a 3D shape, excluding the top and bottom.

Front

What is the lateral surface area formula for a rectangular prism?

Back

Lateral Surface Area = 2h(l + w) where h = height, l = length, w = width.

Front

What is surface area?

Back

The sum of the areas of all the surfaces (faces) of a 3D shape.

Front

If a rectangular prism has a length of 5 in, width of 3 in, and height of 4 in, what is its surface area?

Back

Surface Area = 2(5*3 + 5*4 + 3*4) = 2(15 + 20 + 12) = 2(47) = 94 in².

Front

What is a net in geometry?

Back

A 2D representation of a 3D shape that can be folded to form the shape.

Front

How many faces does a rectangular prism have?

Back

6 faces.