Intro to Circles

If the the Diameter of a circle is 7.2cm, then the radius __________.

A chord of a circle of a circle divides its circular region into two parts. Each part is called__________.

A line segment whose end points lie on a circle is a ______.

• A Sector

• A chord

• An Arc

An arc less than one-half of the whole arc is _______.

• A minor arc

• A major arc

The plural of Radius is _____.

The border of the circle with the inside part is called _________.

A part of circle divided by 2 radii and 1 arc.

• A sector of a circle

• A segment of a circle

A circle is _________.

• a polygon

• an open curve

• a closed curve

• none of these

The mid-point of a diameter of a circle is the ________ of the circle.

The following image represents _______.

• A circle

• A square

• A rectangle

• A triangle.