Lesson 3 Study Guide

Jillana folds the net into a cube that she uses as a gift box. She covers the outside of the box with wrapping paper. Which expression can be used to find the total surface area she covers with wrapping paper?

• 6 (7 + 4)

• 6 (7 X 7)

• 6 (7 + 7)

• 6 (7 X 4)

What is the area of the BASE of the pyramid?

• 20 $m^2$

• 40 $m^2$

• 200 $m^2$

• 400 $m^2$

What is the area of each TRIANGULAR FACE?

• 27 $m^2$

• 34 $m^2$

• 170 $m^2$

• 340 $m^2$

What is the TOTAL surface area of the pyramid?

• 570 $m^2$

• 880 $m^2$

• 1,080 $m^2$

• 1,760 $m^2$

What is the surface area of the rectangular prism?

• 54 $ft^2$

• 108 $ft^2$

• 72 $ft^2$

• 120 $ft^2$

The net is folded then the surface of the figure is covered with plastic wrap. What is the surface area that is covered with plastic wrap?

• $31\ \frac{1}{2}\ in^2$

• $94\ \frac{1}{2}\ in^2$

• $126\ in^2$

• $63\ in^2$

Which figure represents the net of a triangular prism?

• 
• 
• 
• 

The figure shows a net for a three-dimensional figure. What is the three-dimensional figure?

• rectangular prism

• square pyramid

• triangular prism

• triangular pyramid

Melba constructs a cube made of glass panels. Each panel has a side length of 1/2 foot. What is the total surface area, in square feet, of the cube?

• $\frac{3}{4}\ ft^2$

• $1\ \frac{1}{2}\ ft^2$

• $3\ ft^2$

• $5\ ft^2$

Rupa has a wooden chest in the shape of a rectangular prism. She plans to cover the outside of the chest with colorful paper. What is the total surface area, in square feet, to be covered in paper?

• 31.5 $ft^2$

• 3.75 $ft^2$

• 9 $ft^2$

• 20.25 $ft^2$