9. what are the lateral area and the surface area of the cone shown below 14ft 17ft?
~LA=615.8 ft2; SA=1,803.3 ft2
~LA=615.8 ft2; SA=3,166.7 ft2
~LA=1,187.5 ft2; SA=1,803.3 ft2
~LA=1,187.5 ft2; SA=3,166.7 ft2
12. Find the volume of the cylinder in terms of pi. The diagrams are not drawn to scale. h=8 in. and r=4 in.
~256 pi in.3
~128 pi in.3
~64 pi in.3
~32 pi in.3
14. What is the volume of the composite space figure to the nearest whole number? The figure is not drawn to scale. 3cm,8cm,2cm,5cm,6cm
~210 cm3
~180 cm3
~120 cm3
~60 cm3
17. A rectangular pyramid fits exactly on top of a rectangular prism. The prism has a length of 15 cm, a width of 5cm, and a height of 7cm. The pyramid has a height of 13cm. Find the volume of the composite space figure.
~1,500 cm3
~500 cm3
~975 cm3
~850 cm3
18. Radius of 60 m
~3,600 pi m2
~7,200 pi m2
~10,800 pi m2
~14,400 pi m2
19.A spherical balloon has a circumference of 19cm. What is the approximate surface area of the balloon to the nearest sqaure centimeter?
~115 cm2
~460 cm2
~361 cm2
~1,134 cm2
20. What is the volume of the sphere? Round the answer to the nearest cubic unit. 16cm
~268 cm3
~2,145 cm3
~17,157 cm3
~536 cm3
21. The volume of a sphere is 3,000 pi m3. What is the surface area of the sphere to the nearest square meter?
~688 m2
~1,079 m2
~2,158 m2
~3,167 m2
24. What is the scale factor of a cube with volume 343 ft.3 to a cube with volume 2,744 ft.3?
~49:196
~1:2
~2:1
~1:8
28. Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 15 feet by 15 feet by 3 inches for a patio if the concrete costs $46.00 per cubic yard?
~$431.25
~$2587.50
~$95.83
~$2875.50
30. What is the volume of a square pyramid with base edges of 40 cm and a slant height of 25 cm?
~533.3 cm3
~8,000 cm3
~12,000 cm3
~24,000 cm3
31. What is the slant height of the cone to the nearest whole number? The figure is not drawn to scale. 17m, 9m
~2,304 cm3
~4,608 cm3
~6,912 cm3
~13,824 cm3
32. What is the maximum volume of a square pyramid that can fit inside a cube with a side length of 24 cm?
~2,304 cm3
~4,608 cm3
~6,912 cm3
~13,824 cm3
AHHHHHHHH why does no one ever have the answers.
Number 9 is
LA = 1,187.5 ft^{2} and SA = 1,803.3 ft^{2}