1.
Find the surface area of a cube with each edge 9 centimeters long.
A.
405 square centimeters
B.
324 square centimeters
C.
405 square centimeters
D.
486 square centimeters
Hint
2.
A hotel installs new carrels used for public telephones. The new carrels are half of a cylinder with an open top. How much material is needed to construct a new carrel?
A.
about 5146 square inches
B.
about 2839 square inches
C.
about 2307 square inches
D.
about 2573 square inches
Hint
3.
Find the surface area of a triangular prism whose bases are right triangles with legs 3 centimeters and 4 centimeters and whose height is 10 centimeters.
A.
144 cm
2
B.
132 cm
2
C.
60 cm
2
D.
162 cm
2
Hint
4.
What is the surface area of a can of vegetables with a diameter of 4 inches and a height of 5.5 inches?
A.
about 81.7 in
2
B.
about 94.2 in2
2
C.
about 59.7 in
2
D.
about 238.8 in
2
Hint
5.
What is the surface area of a cylinder with a radius of 2 meters and a height of 700 centimeters?
A.
about 4,404.5 m
2
B.
about 113.1 m
2
C.
about 50.3 m
2
D.
about 8,821.6 m
2
Hint