Understanding Surface Area of Prisms

What does surface area measure in a 3D shape?

• The length of all the edges combined

• The weight of the shape

• The combined area of all faces or surfaces

• The volume inside the shape

Which unit is not used to measure surface area?

• Square meters

• Hectares

• Square kilometers

• Cubic centimeters

How many faces does a cube have?

• 8

• 6

• 12

• 4

What is the surface area of a cube with a side length of 3 meters?

• 27 square meters

• 54 square meters

• 81 square meters

• 108 square meters

What is the first step in calculating the surface area of a rectangular prism?

• Calculate the volume

• Add the area of all faces

• Multiply the length by the width

• Draw the net of the prism

What is the surface area of the rectangular prism described in the tutorial?

• 280 square centimeters

• 264 square centimeters

• 248 square centimeters

• 296 square centimeters

How do you calculate the area of a triangle?

• Base plus height divided by 2

• Base times height divided by 2

• Base times height

• Base plus height

What is the area of one of the triangular faces of the triangular prism?

• 180 square meters

• 120 square meters

• 240 square meters

• 60 square meters

What is the total surface area of the triangular prism?

• 876 square meters

• 656 square meters

• 766 square meters

• 986 square meters

Why is it important to show your work when calculating surface area?

• To make it easier for the teacher to find mistakes

• To ensure you remember the formula

• To make the calculation faster

• To use less paper