Surface Area of Rectangular Prisms

Front

What is the formula to find the surface area of a rectangular prism?

Back

Surface Area = 2(length × width + length × height + width × height)

Front

How many faces does a rectangular prism have?

Back

6

Front

What is the area of a rectangle?

Back

Area = Length × Width

Front

If the length is 5 cm, width is 3 cm, and height is 4 cm, what is the surface area of the rectangular prism?

Back

Surface Area = 2(5×3 + 5×4 + 3×4) = 2(15 + 20 + 12) = 2(47) = 94 cm²

Front

What units are used to measure surface area?

Back

Square units (e.g., cm², in²)

Front

What is a rectangular prism?

Back

A three-dimensional shape with 6 rectangular faces.

Front

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

Back

Add the areas of all 6 faces.

Front

What is the relationship between the dimensions of a rectangular prism and its surface area?

Back

Increasing any dimension (length, width, height) increases the surface area.

Front

If a rectangular prism has a length of 10 in, width of 5 in, and height of 2 in, what is its surface area?

Back

Surface Area = 2(10×5 + 10×2 + 5×2) = 2(50 + 20 + 10) = 2(80) = 160 in²

Front

What is the surface area of a cube with side length 4 cm?

Back

Surface Area = 6 × (side length)² = 6 × (4)² = 6 × 16 = 96 cm²