Defining key terms related to circles

Which number best represents a radius?

• 1
• 2
• 6
• 9

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Identify the angle highlighted in pink

• center of the circle

• minor arc

• central angle

• inscribed angle

Tags

G.GCI.4

G.GCI.2

What is being represented in the image?

• Inscribed Angle

• Interior Angle

• Secant

• Radius

The radius is __________ the diameter

• Half

• Double

• Equal to

• The area of

A set of points on a flat surface (plane) with every point equidistant (the same distance) from a given point called the center.

• chord

• circle

• radius

• diameter

• circumference

What is the diameter?

• 50cm

• 100cm

• 100,000,000cm

• 1cm

A segment with 2 endpoints on the circle.

• Chord
• Diameter
• Radius
• Inscribed Angle

What is diameter?

• a straight line going from the center point of a circle to the outer edge

• a straight line going from the outer edge of a circle to the other outer edge

• a curved line that goes complete around the outside of a circle

• the area inside a circle

The diameter is ___________ the length of the radius.

• twice

• half

• three times

• equal to