Name
Review: GEOMETRY #3
Date:
Pre Algebra
1. Find the area of the semicircle below to the
nearest hundredth:
2. The figure below is a rectangular prism.
4 feet
8 feet
8 feet
Which statement is true about the faces of this prism?
A. All of the faces are squares.
B. None of the faces are squares.
C. Only two of the faces are squares.
D. Only four of the faces are squares.
4. What is the surface area, in square centimeters, of a
rectangular prism that has a length of 9 centimeters, a
width of 4 centimeters, and a height of 5 centimeters?
10 cm
3. Find the shaded area:
15 cm
Surface Area = 2wl + 2lh + 2wh
17 cm
5. What shapes make up a cylinder?
6. Solve for x:
-2 (x – 6) = 20
7. What faces make up a triangular prism?
8. Find the surface area of the cube below:
7 cm
9. Find the SA in terms of pi and to the nearest
tenth.
10. Find the area in terms of  of the circle below:
5 cm
18 cm
12 cm
11. The diagram below shows a pillow Chris wants to cover with fabric.
4 in
16 in
What us the total surface area of the pillow? Round your answer to the nearest hundredth.
If Chris shortens the length of the pillow from 16 inches to 10 inches, how much less fabric will she need?
Round your answer to the nearest hundredth.
12. Ilan is painting a birdhouse in the shape of a triangular prism shown below.
4 in
5 in
3 in
10 in
What is the surface area of the entire birdhouse to the nearest square inch?
One cup of paint from Ilan’s workshop will cover 20 square inches. How many cups of paint must Ilan
bring from the workshop to paint the entire surface of the birdhouse?
13. Rashid needs to buy some wood to build a box. He must calculate the surface area of the box to
determine how much wood to buy. A diagram of the box is shown below.
4 ft
3 ft
6 ft
How much wood does Rashid need to buy to build the box?