##### Notes

This printable supports Common Core Mathematics Standard HSG-C.A.2.

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## Circle Terminology

1.
Which part of the circle is shown?
2. center
3. diameter

2.
Name the part shown on the circle below.
2. diameter
3. arc
3.
Look at the circle below. The line segment appears to be
1. an arc
2. a perimeter
4. a diameter

4.
Line segment AB is called a/an
1. arc
2. sector
3. chord
4. diameter
5.
What are line segments AE and AD called?
1. Tangents
2. Secants
3. Cosecants
4. Diameters
5. Chords

6.
Which term best describes segments BA and BC?
1. chords
2. secants
3. tangents
4. diameters
7.
In circle O, which is the chord?
1. AB
2. OD
3. AC
4. AO

8.
Which is an inscribed angle?
1. $ang CAB$
2. $ang ADO$
3. $ang DAB$
4. $ang BOD$
9.
Write the name of the following using the circle below:

Name of the circle

Diameter