Basic Circles

The set of all points in a plane at the same distance from a given point (the center) is defined as....

• Parallelogram

• Rhombus

• Circle

• Square

How many total degrees make a circle?

• 360

• 316

• 90

• 450

Define "radius"

• The measurement from the center of a circle to an edge of the circle.

• The measurement around the circle

• The measurement from and edge of the circle to another edge through the center

• A line perpendicular to the diameter of the circle

What is the mathematical name given for the line OA?

• Diameter

• Radius

• Tangent

• Chord

What is the mathematical name given for the line AB?

• Radius

• Diamter

• Tangent

• Chord

Use chords to solve for x

• x = 35^o

• x = 50^o

• x = 70^o

• x = 140^o

What is segment PQ?

• diameter

• radius

• tangent

• chord

What is segment AB?

• diameter

• radius

• tangent

• chord

Given a circle with a diameter of 10 m, what is the radius?

• 10 m

• 5 m

• 20 m

• 15 m

What do we call the red line?

• Chord

• Arc

• Diameter

• Segment