Calculating Surface Area of Prisms with Formulas

How many faces does a rectangular prism have?

• 6

• 4

• 8

• 12

What does the 'net' of a 3D object represent?

• A drawing of the object

• A formula for surface area

• A 3D model

• A 2D layout of all faces

What does the variable 'B' stand for in the surface area formula?

• Volume of the base

• Perimeter of the base

• Area of the base

• Height of the prism

How do you calculate the perimeter of the base for a rectangular prism?

• Length + Width

• 2(Length) + 2(Width)

• 2(Length + Width)

• Length x Width

What is the surface area of a rectangular prism with a base area of 80 and a perimeter of 36, with a height of 2 inches?

• 72 inches squared

• 160 inches squared

• 80 inches squared

• 232 inches squared

For a triangular prism, what changes in the formula for surface area?

• The formula itself

• The value of 'h'

• The shape of the base

• The value of 'B'

How is the base of a triangular prism identified?

• It's the triangular face

• It's the longest side

• It's the side lying on the ground

• It's always a rectangle

What is the area of a triangle with a base of 8 mm and a height of 15 mm?

• 30 mm squared

• 120 mm squared

• 60 mm squared

• 24 mm squared

What is the perimeter of a triangular base with sides of 8 mm, 15 mm, and 17 mm?

• 60 mm

• 50 mm

• 40 mm

• 30 mm

What is the surface area of a triangular prism with a base area of 60 mm squared, a perimeter of 40 mm, and a height of 9 mm?

• 120 mm squared

• 100 mm squared

• 360 mm squared

• 480 mm squared