NAME _____________________________________________ DATE __________________ PERIOD _________
Lesson 5 Skills Practice
Surface Area of Cones
Find the lateral and total surface areas of each cone. Round to the
nearest tenth if necessary.
2.
1.
9.2 mm
17.5 cm
2.1 mm
15 cm
3.
4.
52 cm
7.5 in.
28 cm
4.5 in.
6.
36 m
30 m
32 in.
12 in.
8.
7.
11.3 cm
9m
5.5 m
8 cm
126
Course 3 • Chapter 8 Volume and Surface Area
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
5.
NAME _____________________________________________ DATE __________________ PERIOD _________
Lesson 5 Skills Practice
Surface Area of Cones
Find the lateral and total surface areas of each cone. Round to the
nearest tenth if necessary.
2.
1.
9.2 mm
17.5 cm
2.1 mm
15 cm
824.3 cm2; 1,531.5 cm2
3.
60.7 mm2; 74.5 mm2
4.
52 cm
7.5 in.
28 cm
4.5 in.
4,574.2 cm2; 7,037.2 cm2
6.
36 m
30 m
32 in.
12 in.
1696.5 m2; 2,403.3 m2
7.
1,206.4 in2; 1,658.8 in2
8.
11.3 cm
9m
5.5 m
8 cm
155.4 m2; 250.5 m2
126
284.0 cm2; 485.1cm2
Course 3 • Chapter 8 Volume and Surface Area
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
5.
106 in2; 169.6 in2