Defining key terms related to circles

What is the diameter?

• 10

• 5

• 20

What is being represented in the image?

• Diameter

• Chord

• Radius

• Concentric Circles

Which best describes segment AB?

• radius

• secant

• tangent

• diameter

What is the radius?

An angle whose vertex lies on the circle and whose sides are chords of the circle

• inscribed angle 
• central angle
• arc
• radius

What is the green line called?

• Circle

• Radius

• Diameter

• Circumference

what is diameter of a circle

• The diameter is the length of the line through the center that touches two points on the edge of the circle

• diameter is a straight line

• Diameter is a nonlinear line

• The diameter is a half line

What is the diameter of a circle?

• the distance around a circle

• the area of a circle

• halfway through a circle

• a line through the center of a circle

What is DE?

• diameter

• tangent

• chord

• radius

Radius of this circle is ....

• A. 6 cm

• B. 6 m

• C. 24 cm

• D. 24 m