Name:________________________________ Units:__________ Date:________________
Surface Area from Nets Worksheet
Name the figure and find the surface area and show all work.
1.)
2.)
10 mm
15 mm
20mm
mmcm
5 cm
8 cm
5 cm
Figure:__________________ S.A.__________
3.) You are wrapping a present in shape of a tube,
which is 12 feet long and has a raduis of 2 ft. You
have 175 ft2 of wrapping paper, do you have
enough? Find the surface area to provide your
correct answer.
Figure:__________________ S.A.__________
4.)
9 cm
8 cm
10 cm
8 cm
12 cm
Figure:__________________ S.A.__________
5.)
Figure:__________________ S.A.__________
Figure:__________________ S.A.__________
6.)
Figure:__________________ S.A.__________
7.)
8.)
8.2 cm
9.7m
5.4 m
7.8 m
5.4 m
Figure:__________________ S.A.__________
9.)
10.)
3m
9 cm
17m
17 cm
Figure:__________________ S.A.__________
Figure:__________________ S.A.__________
Answers:
1.) Square Pyramid
Base = 25 + LA= 80 SA= 105 cm2
3.)Cylinder
Bases= 25.12 + LA= 150.72
SA= 175.84 (Not quite enough!!)
5.)Cylinder
Bases = 121.58 + LA 198.95
SA= 320.53 cm2
7.)Triangular Prism
Bases = 75.66 + LA= 152.52
SA= 228.18 cm2
9.)Cylinder
Bases = 453.73 + LA= 480.42
SA = 934.15 cm2
2.)Triangular Pyramid
Base= 150 + LA= 300
4.)Triangular Prism
Bases = 90 + LA= 312
SA= 450 mm2
SA = 402 cm2
6.)Rectangular Prism
Bases= 31 + LA = 119.88
SA = 150.88
8.)Rectangular Prism
Bases = 12 + LA = 60
SA = 72 cm2
10.)Cone
Base = 28.26 + LA =160.14
SA= 188.4 m2