Circles

The _____ is the distance from the center to any point on the circle.

• diameter
• radius
• π
• center

A _____ is half of a circle.

• circumference
• pi
• semicircle
•  composite figure

If you are given the diameter, how can you calculate the radius?

• Multiply the diameter by 2
• Divide the diameter by 2
• Add 2 to the diameter
• Subtract 2 from the diameter

Tags

CCSS.7.G.B.4

Which segment is the diameter?

• AC
• BD
• LM
• CE

Which segment is a radius?

• LM
• DC
• BD
• ML

Which of the following names a radius?

• segment AC
• segment DB
• segment AB
• segement BC

What is the part of the circle highlighted in red called?

• semi-circle arc
• major arc
• minor arc
• sector

What is the part of the circle highlighted in red called?

• semi-circle arc
• major arc
• minor arc
• sector

A line that intersects a circle at exactly one point

• secant
• circle
• chord
• tangent

An angle whose vertex is the center of a circle

• central angle
• inscribed angle
• minor arc
• major arc