Intro to Circles

A tangent is a line that _______. 

• passes through the center of the circle
• intersects the circle at two points
• intersects the circle at one point
• follows the circumference of a circle

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

A tangent line intersecting with a radius always creates a ____________ angle

• right
• acute
• obtuse
• straight

Tags

CCSS.HSG.C.A.2

Name a chord.

• Segment XC
• Segment KM
• Segment HJ
• LINE BD

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

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.CO.A.1

The definition of a circle is

• set of all points in a plain that are the same distance from a point called the center

• the distance around a share

• a large figure

• a pizza, orange, plum, or watermelon

Tags

CCSS.HSG.CO.A.1

What is C?

• diameter
• center
• circumference
• radius

Tags

CCSS.HSG.C.A.2

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 blue line?

• Chord
• Circumference
• Radius
• Arc

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

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

CCSS.HSG.C.B.5