Geometry
Area of Circles & Volume of Cylinders and Cones
Name Date Period
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-1-
Find the circumference of each circle. Use 3.14 for the value of p. Round your answer to the
nearest tenth. 1)
10.2 km
2)
14 mi
Find the area of each. Use 3.14 for the value of p. Round your answer to the nearest tenth. 3)
4 in 4)
24 mi
Find the radius of each circle. Use 3.14 for the value of p. Round answer to the nearest tenth. 5) circumference = 56.5 yd 6) area = 437.4 yd² Find the circumference and area of each circle. Use 3.14 for the value of p. Round your
answers to the nearest tenth. 7)
4.7 ft
8)
10 ft
Find the exact circumference and area of each circle. 9)
4 in
10)
18 cm
11-12. Find the 11) radius of the circle and the 12) diameter of the circle. 11) circumference = 6p in 12) area = 100p in²
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-2-
Find the volume of each figure. Use 3.14 for the value of pi. Round your answers to the
nearest tenth, if necessary. 13)
5 cm
2 cm
14)
9 m
8 m
15)
2 in
1 in 16)
4 in
4 in
17)
8 cm
6 cm
18)
9 cm
3 cm
19-20. Applications of cylinders and cones. 19) A cylindrical storage tank has a volume of 113 cubic feet. If it has a radius of 2 feet, what is its
height? Use 3.14 for pi. Round to the nearest whole number of feet.
20) A regular snow cone has a 1 inch radius and is 6 inches tall. A giant snow cone has a 2 inch
radius and is also 6 inches tall. To the nearest whole number, how many times bigger (by
volume) is the giant snow cone compared to the regular snow cone?