Circles Vocab Quiz 1

The set of all points in a plane that are the same distance from a given center.

• Circle
• Degree

• Radian

• Diameter

Line segment from the center to a point on the circle.

• Radius

• Diameter

• Chord

• Circumference

Segment with endpoints on the circle.

• Chord

• Radius

• Circumference

• Arc

Chord that passes through the center of a circle.

• Diameter

• Radian

• Radius

• Secant

Tags

CCSS.HSG.C.A.2

(Select all that apply)

Concentric circles always...

• have the same center

• are similar

• are congruent

• are coplanar

Match the following vocabulary terms with their respective definitions.

• angle with vertex at center, legs radii

• central angle

• angle with vertex on circle

• major arc

• arc measure exactly 180 degrees

• semicircle

• arc measure less than 180 degrees

• minor arc

• arc measure greater than 180 degrees

• inscribed angle

1/360 of the circular rotation about a point.

• Degree

• Radian

• Arc

• Congruent

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

A unit of angular measurement equal to about 57.296°.

• Radian

• Intercepted Arc

• Degree

• Central angle

Tags

CCSS.HSF.TF.A.1

To convert a degree measure to radians, multiply by pi and divide by ___.

Tags

CCSS.HSF.TF.A.1

If a diameter or radius of a circle is perpendicular to a chord, then it _______ the chord and its arc.