Circle Terminology (Grade 10)

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Circle Terminology

1. 
Which part of the circle is shown?
Circle with Center Point
  1. radius
  2. center
  3. diameter
 
2. 
Name the part shown on the circle below.
Circle with Diameter
  1. radius
  2. diameter
  3. arc
3. 
Look at the circle below. The line segment appears to be
Circle with Radius
  1. an arc
  2. a perimeter
  3. a radius
  4. a diameter
 
4. 
Line segment AB is called a/an                
Circle with Chord AB
  1. arc
  2. sector
  3. chord
  4. diameter
5. 
What are line segments AE and AD called?
Circle with Two Secants ABCDE
  1. Tangents
  2. Secants
  3. Cosecants
  4. Diameters
  5. Chords
 
6. 
Which term best describes segments BA and BC?
Two Tangents AB and CB
  1. chords
  2. secants
  3. tangents
  4. diameters
7. 
In circle O, which is the chord?
Circle ABCD
  1. AB
  2. OD
  3. AC
  4. AO
 
8. 
Which is an inscribed angle?
Circle ABCD
  1. [math]ang CAB[/math]
  2. [math]ang ADO[/math]
  3. [math]ang DAB[/math]
  4. [math]ang BOD[/math]
9. 
Write the name of the following using the circle below:

Name of the circle           

Diameter           

2 Radius            and           

Chord           
Circle ABC
 
10. 
The line drawn across this circle is a diameter. The two arcs defined by this line are called                              and their degree measure is            .
Circle with Diameter

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