Circles 1
How can you find the diameter if you know your radius of a circle?
Multiply the radius by 2
Write the equation in standard form for the circle with radius 11 centered at the origin.
x2 + y2 = 121
50.3 squared units
A rectangular prism has a base that is 11 in by 17 in and a height of 31 in. Find the volume. Round to the nearest tenth.
5797 cubed inches
A water collection tank is shaped like a cylinder with a diameter of 12 ft and a height of 23 ft. What is the surface area? Round to the nearest tenth.
1093.3 ft2
Find the circumference of the circle with a radius of 2.1 inches. Round to the nearest tenth.
13.2 in.
Write the equation in standard form for the circle with center (-1, 4) and radius = 10.
(x + 1)2 + (y - 4)2 = 100
Find the circumference of a circle with center (3,8) and passes through (3,-2). Round to the nearest tenth.
62.8 units
A triangular prism has a base that is 14 ft with altitude of 18 ft and a height of 21 ft. Find the volume. Round to the nearest tenth.
2646 cubed feet
What is the surface area of a basketball with a diameter of 12 in? Round to the nearest tenth.
452.4 in2
Find the circumference of the circle a diameter of 8.4 feet. Round to the nearest tenth.
26.4 feet
Find the equation for a circle centered between tangents x = 3, x = -5 and centered on y = -1.
(x + 1)2 + (y + 1)2 = 16
A Ferris wheel that has a radius of 25 feet has a duration per ride of 13 revolutions. How far does a person travel who rides on the merry-go-round? Round to the nearest tenth.
2042 feet
A water collection tank is shaped like a cylinder with a diameter of 12 ft and a height of 23 ft. What is the volume? Round to the nearest tenth.
2601.2 cubed cm
Devin made a triangular shaped cake with a base dimensions of 12 in and altitude of 8 in and a height of 4 in. How much frosting will be needed to cover the cake in 1/2 of frosting?
112 in2
Find the area of a circle with a radius of 5 meters. Round to the nearest tenth.
78.5 squared meters
Write (x + 2)2 + (y + 1)2 = 12 in general form.
x2 + y2 + 4x + 2y - 7 = 0
A merry-go-round that has a diameter of 14.2 feet has a duration per ride of 16 revolutions. How far does a person travel who rides on the merry-go-round? Round to the nearest tenth.
713.8 feet
A cube has a base that is 14.3 ft. Find the volume.
2924.207 cubed ft
A refrigerator has inside measurements of 40 cm by 118 cm by 44 cm. What is the capacity of inside surface area?
23,344 square cm
Find the area of a circle with a diameter of 28.6 centimeters. Round to the nearest tenth.
642.4 squared centimeters
Center: (- 3, - 10)
Radius: sqrt (74)
How much more crust do you get with a medium pizza with a diameter of 12 inches than a small pizza with a 10 inch diameter? Round to the nearest tenth.
6.3 more inches
A rectangular box is 2 inches high, 3.5 inches wide and 4 inches long. A cylindrical box is 3.5 inches high and has a diameter of 3.2 inches. Which box has a larger volume?
The cylindrical box
(rectangular box has a volume of 28 cubed inches and the cylindrical box has a volume of 28.1 cubed inches)
A rectangular box is 2 inches high, 3.5 inches wide and 4 inches long. A cylindrical box is 3.5 inches high and has a diameter of 3.2 inches. Which box has a larger surface area?
The rectangular box
(rectangular box has a SA 58 square inches and the cylindrical box has a SA of 51.3 square inches)