Parts of a circle

Front

What is a Minor Arc?

Back

A Minor Arc is the shorter arc connecting two points on a circle, measuring less than 180 degrees.

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

Front

What is a Segment in a circle?

Back

A Segment is the region of a circle bounded by a chord and the arc that connects the endpoints of the chord.

Front

What is a Sector in a circle?

Back

A Sector is the region enclosed by two radii and the arc between them.

Tags

CCSS.HSG.C.B.5

Front

What is the Circumference of a circle?

Back

Tags

CCSS.HSG.GMD.A.1

Front

What is a Chord?

Back

A Chord is a line segment with both endpoints on the circle.

Tags

CCSS.HSG.C.A.2

Front

What is a Diameter?

Back

A Diameter is a special type of chord that passes through the center of the circle, measuring twice the radius.

Front

What is a Radius?

Back

A Radius is a line segment from the center of the circle to any point on the circle.

Tags

CCSS.HSG.CO.A.1

Front

What is a Tangent?

Back

A Tangent is a line that touches the circle at exactly one point.

Tags

CCSS.HSG.C.A.4

Front

What is a Secant?

Back

A Secant is a line that intersects the circle at two points.

Front

How do you identify a Sector?

Back

A Sector is identified by two radii and the arc between them.