Properties of a Circles

What is C?

• diameter
• center
• circumference
• radius

Tags

CCSS.HSG.C.A.2

What is the definition of a radius of a circle.

• A line segment from the centre of a circle to the circumference.
• The perimeter of a circle.
• A line segment joining two points on the circumference of a circle, that goes through the centre of the circle.
• A line segment joining two point on the circumference. 

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

Definition of a chord

• a line that stretches across the circle in any type of length, but has to be in a straight line.
• the dot that's located in the middle of a circle.

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

What do we call the red line?

• Chord
• Arc
• Diameter
• Segment

Tags

CCSS.HSG.C.A.2

What do we call the blue line?

• Chord
• Circumference
• Radius
• Arc

Tags

CCSS.HSG.C.A.2

How many chords are in the figure?

• 1

• 2

• 3

• 0

Tags

CCSS.HSG.C.A.2

Which segment is a radius?

• LM
• DC
• BD
• ML

Tags

CCSS.HSG.C.A.2

Which segment is the diameter?

• AC
• BD
• LM
• CE

Tags

CCSS.HSG.C.A.2

The distance all the way around the circle is called the...

• radius

• diameter

• circumference

• area

Tags

CCSS.HSG.GMD.A.1

CCSS.HSG.C.B.5

How many degrees are in a cirlce?

• 90
• 180
• 270
• 360

Tags

CCSS.HSG.CO.A.1

CCSS.4.MD.C.5B