Circle

What part of a circle does the red line represent?

• the radius

• the diameter

• the circumference

What is BD?

• Chord

• Radius

• Secant

• Tangent

What is AF?

• Chord

• Radius

• Secant

• Tangent

What is H?

• Point of Tangency

• Radius

• Circle

• Tangent

What is this called?

• Circumference

• Minor Arc

• Major Arc

• Inscribed Angle

Name the part shown in the given circle.

• Sector

• Chord

• Segment

• Circumference

What is the formula for the perimeter of a circle? Select all that apply.

• 2 π r

• π d

• π d²

• π r²

What is the area of a circle with a diameter of 12 inches?

• 12 π in²

• 24 π in²

• 36 π in²

• 144 π in²

Find the circumference of the circle.

• 28.26 in.
• 14.13 in.
• 63.585 in.
• 9 in.

Find the area of the semicircle.

• 692.37 cm²
• 2769.48 cm²
• 1384.74 cm²
• 131.88 cm²