10.1 Review Worksheet (continued)
10.1.2 Surface Area of Pyramids and Cones Find the lateral area and surface area of each regular pyramid. 12. 13.
25 cm
4 ft
40 cm
6 ft
6 ft
14. a regular hexagonal pyramid with base edge length 7 ft and slant height 15 ft
Find the lateral area and surface area of each right cone. Give your answers in terms of π. 15. 16.
23 cm
35 in.
23 cm
24 in.
17. a cone with radius 8 m and height that is 1 m less than twice the radius
Describe the effect of each change on the surface area of the given figure. 18. The dimensions are divided by 3. 19. The dimensions are doubled.
5 m
12 ft
2 m
4 ft
160
Made with FlippingBook Annual report maker