Circles
What is the formula for the area of a circle?
A = πr²
What is the formula for the volume of a cylinder?
V = πr²h
What is the formula for the volume of a cone?
V = 1/3 πr²h or V= πr²h/3
What is the formula for the volume of a sphere?
V = 4/3 πr³
What does r represent?
Radius
If the radius of a cylinder is 3ft and the height is 11ft what is the volume? (round to the nearest hundredth)
V = 310.86 ft³
If the radius of a cone is 7ft and the height is 9ft what is the volume? (round to the nearest hundredth)
461.58 ft³
If a sphere has a diameter of 6 cm what is its volume? (round to the nearest hundredth)
113.04 cm³
If the radius is 38 inches, what is the area of the circle using 3.14 as an approximation of π? (round to the nearest hundredth)
4534.16 inches²
If the radius of a cylinder is 11 inches and the height is 6 inches, what is the volume using 3.14 as an approximation of π? (round to the nearest hundredth)
V = 2279.64 inches³
A cone has a diameter of 7 and height of 9. What is the volume of a cone? (round to the nearest hundredth)
115.40 cm³
A sphere has a radius of 10 units. What is its volume? (round to the nearest hundredth)
4186.67 units³
If the diameter is 26ft, what is the area of the circle using 3.14 as an approximation of π? (round to the nearest hundredth)
530.66ft²
A cylindrical water bottle has a Volume of 112π inches³ and a height of 7 inches. What is the radius of the water bottle?
4 inches
If the radius of a cone is 2.2 meters and the height is 6 meters, what is the volume using 3.14 as an approximation of π? (round to the nearest hundredth)
30.4 meters³
A sphere has a radius of 4.9 inches. What is the volume to the nearest inch? (round to the nearest hundredth)
492.56 inches³
If the diameter is 86 units what is the area of the circle? (round to the nearest hundredth)
5805.86 units²
Find the height of a cylinder where the area of the base is 49π ft² and the volume is 980ft.
20 ft
If the diameter of a cone is 78 cm and the height is 7 cm, what is the volume? (round to the nearest hundredth)
11143.86 cm³
A sphere has a diameter of 18 cm. What is its volume using 3.14 as an approximation of π? (round to the nearest hundredth)
3052.08 cm³