Find the volume of each figure. Round to the nearest tenth, if necessary. 8. a regular...

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Find the volume of each figure. Round to the nearest tenth, if necessary. 8. a regular hexagonal prism with base area 23 in² and height 9 in. 9. a cylinder with radius 8 yd and height 14 yd 10. A brick patio measures 10 ft by 12 ft by 4 in. Find the volume of the bricks. If the densit of brick is 130 pounds per cubic foot, what is the weight of the patio in pounds? 11. The dimensions of a cylinder with diameter 2 ft and height 1 ft are doubled. Describe the effect on the volume. 10-7 Volume of Pyramids and Cones Find the volume of each figure. Round to the nearest tenth, if necessary. 12. 13. 14. 16 m. 24 ft 16 ft 39 m 10-8 Spheres Find the surface area and volume of each figure. 15 m 13 yd 27 yd 20 yd 15. a sphere with diameter 20 in. 16. a hemisphere with radius 12 in. 17. A baseball has a diameter of approximately 3 in., and a softball has a diameter of approximately 5 in. About how many times as great is the volume of a softball as the volume of a baseball? Find the volume of each figure. Round to the nearest tenth, if necessary. 8. a regular hexagonal prism with base area 23 in² and height 9 in. 9. a cylinder with radius 8 yd and height 14 yd 10. A brick patio measures 10 ft by 12 ft by 4 in. Find the volume of the bricks. If the densit of brick is 130 pounds per cubic foot, what is the weight of the patio in pounds? 11. The dimensions of a cylinder with diameter 2 ft and height 1 ft are doubled. Describe the effect on the volume. 10-7 Volume of Pyramids and Cones Find the volume of each figure. Round to the nearest tenth, if necessary. 12. 13. 14. 16 m. 24 ft 16 ft 39 m 10-8 Spheres Find the surface area and volume of each figure. 15 m 13 yd 27 yd 20 yd 15. a sphere with diameter 20 in. 16. a hemisphere with radius 12 in. 17. A baseball has a diameter of approximately 3 in., and a softball has a diameter of approximately 5 in. About how many times as great is the volume of a softball as the volume of a baseball?