Parts of Circles 10.1-10.2

A _______ is a segment whose endpoints are the center of the circle and a point on the circle.

• Chord

• Diameter

• Radius

• Secant

Segment AG is best described as what?

• A chord

• A radius

• A diameter

• A tangent

Segment AB is best described as what?

• A radius

• A diameter

• A chord

• A secant

True or False: It is possible to have tangent lines, tangent rays and tangent segments.

• True

• False

Find the measure of arc GFE.

• 230°

• 240°

• 180°

• 110°

Find the measure of arc AC.

• 45°

• 225°

• 90°

• 135°

The diagram below shows the radius of the circular opening of a bowl. What is the approximate circumference of the opening in centimeters?

• 29.83

• 9.5

• 59.66

Name a minor arc

• BC
• BCD
• AB
• AD

When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees.  What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.

• 40
• 35
• 55
• 69

If my circumference is 50.24ft, what is my radius?

• 8ft
• 16ft
• 25.12ft
• 50.24ft