Parts of a Circle and Circumference

• A chord
• A secant
• A sector
• A tangent

A line segment that connects two points in a circle without passing through the centre

• Radius

• Sector

• Segment

• Chord

What is twice as long as a radius

• Center

• Diameter

• Tanget

• Arc

Q2. What is the term for the point where a tangent touches a circle?

• A point of tangency

• A tangent

• A center

• Outside of circle C

What is the distance around a circle called?

• the radius

• the diameter

• the circumference

What part of a circle does the red line represent?

• the radius

• the diameter

• the circumference

Find the circumference, rounding your answer to 1 decimal place.

• 34.9mm

• 31.4mm

• 34.5mm

• 17.3mm

Find the circumference of the circle.

• 14.13 cm

• 63.56 cm

• 28.26 cm

• 127.17 cm

_____________ is half of the diameter

• circumference

• center

• radius

• diameter

Find the circumference of the circle.

• 4.082 m

• 8.164 m

• 1.32665 m

• 5.3066 m