Circle Geometry Quiz

What is the term used to describe the line segment that passes through the center of a circle and touches both sides?

• Radius

• Circumference

• Diameter

• Area

What is the term used to describe half the length of the diameter of a circle?

• Radius

• Diameter

• Circumference

• Area

What is the term used to describe the distance around a circle?

• Diameter

• Radius

• Area

• Circumference

What is the term used to describe the total space enclosed within a circle?

• Diameter

• Radius

• Circumference

• Area

Identify the piece of a circle that is given: "C=78.5 in"

• Diameter

• Radius

• Circumference

• Area

Identify the piece of a circle that is given: "A=220.86 cm²"

• Diameter

• Radius

• Circumference

• Area

What is the formula for finding the circumference of a circle using the diameter?

• C = πd

• C = 2πr

• C = πr^2

• C = 2d

What is the formula for finding the circumference of a circle using the radius?

• C = πd

• C = 2πr

• C = πr^2

• C = 2r

Calculate the circumference of a circle with a diameter of 14 feet. Use π = 3.14.

• 43.96 feet

• 21.98 feet

• 88.0 feet

• 44.0 feet

Calculate the circumference of a circle with a radius of 25 meters. Use π = 3.14.

• 157 meters

• 78.5 meters

• 50 meters

• 100 meters