Circles: Vocab, Chords/Sec/Tan, Central Angles

The _____ is the distance from the center to any point on the circle.

• diameter
• radius
• π
• center

The distance across a circle through its center is called the _____.

• diameter
• radius
• π
• center

Which segment is the diameter?

• AC
• BD
• LM
• CE

What vocabulary describes the line shown?

• Tangent

• Secant

• Chord

• Diameter

Which LINE below would be a secant?

• BD

• DG

• HF

• AF

What is the part of the circle highlighted in red called?

• semi-circle arc
• major arc
• minor arc
• sector

What is the part of the circle highlighted in red called?

• semi-circle arc
• major arc
• minor arc
• sector

• 33
• 18
• 46
• 16

Find the radius r

• 2
• 3
• 4
• 5

Find the perimeter of the triangle.

• A
• B
• C
• D