Radius, Diameter, Area and Circumference

The distance from any point on the outside of a circle to the center of the circle is called what?

• Diameter

• Circumference

• Area

• Radius

The distance across a circle through the center is called what?

• Area

• Diameter

• Circumference

• Radius

The distance around the outside of a circle is called what?

• Perimeter

• Area

• Circumference

• Diameter

If the radius of a circle is 4 inches, what is the diameter?

• 2 inches

• 2 feet

• 4 inches

• 8 inches

Sally has car tire with a circumference of 75.36 ft. What is the radius of the car tire and what is the diameter? (Use 3.14 for pi)

• r=12 ft

• d=26 ft

• r=13 ft

• d=24 ft

• 15.7 in

• 10 in

• 5 in

• 98.64 in

• A

• B

• C

• D

Given that the circumference of a circle is 62, what would be the radius of that circle? The diameter? Round to the nearest hundreth.

• radius- 9.87/ diameter- 19.75

• radius- 19.75/ diameter- 9.87

• radius- 19.75/ diameter- 39.5

• radius- 4.94/ diameter- 9.87

If my circumference is 163.28ft, what is my radius?

• 52 ft

• 26 ft

• 3.14 ft

• 163.28 ft

A circular garden has a circumference of 38.25 feet. Find the approximate diameter of the garden. Use 3.14 for Pi. Round to the nearest tenth

Tags

CCSS.Math.Content.7.G.B.4