Circles 7r

What part of a circle is a line segment that has two endpoints on the circle and goes through the center as shown in the diagram?

• Circumference

• Diameter

• Radius

• Area

• Radius

• Diameter

• Center

• Chord

• Radius

• Diameter

• Center

• Chord

What is the diameter?

• 8
• 16
• 10
• 4

What is the radius?

• 18
• 72
• 38
• 14

what is the circumference of this circle ?

• 3.14 cm

• 37.68 cm

• 24 cm

• 68.4 cm

Find the circumference of a circle with a radius of 12.5 mm .

• 37.68mm
• 18.84mm
• 78.5mm
• none of the above

The circumference of a circle is

• The measurement from an edge of a circle to another edge.
• The measurement around the circle
• The measurement from an edge of a circle to another edge going through the center
• The measurement from the center of the circle to an edge of the circle

What is the circumference of a circle with a radius of 5 in terms of π ?

• 5 π units

• 10 π  units

• 25 π  units

• 50 π  units

What is the circumference of a circle with a diameter of 25 in terms of π ?

• 5 π units

• 10 π units

• 25 π units

• 50 π units