CLMS-U6-Circle Parts and Measurements

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

• Radius

• Diameter

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

What do we call the red line?

• Chord

• Arc

• Diameter

• Segment

What part of a circle does the red line represent?

• the radius

• the diameter

• the circumference

What is the name of the line segment that passes through the center of the circle and has its endpoints on the circle?

• Radius

• Diameter

• Chord

• Tangent

Which part of the circle is the distance from the center to any point on the circle?

• Radius

• Diameter

• Circumference

If the diameter of a circle is 10 cm, what is the radius?

• 5 cm

• 10 cm

• 15 cm

• 20 cm

Which of the following is a chord that passes through the center of the circle?

• Radius

• Diameter

• Secant

• Tangent

If the radius of a circle is 7 cm, what is the diameter?

• 7 cm

• 14 cm

• 21 cm

• 28 cm

Which of the following is NOT a part of a circle?

• Radius

• Diameter

• Vertex

• Circumference