GEO #8 Circles A Circumference, Area, Equations

The distance around a circle

• Area

• Arc

• Circumference

• Arc Length

A segment with endpoints on the circle (edge to edge)

• Arc

• Radius

• Chord

• Inscribed

A segment with endpoints at the center and on the edge of the circle

• Radius

• Tangent

• Secant

• Chord

A portion along the edge of a circle (circumference) defined by two endpoints

• Adjacent

• Inscribed

• Concentric

• Arc

_________________ arc - The arc connecting two endpoints on a circle more than 180 degrees

• Central

• Major

• Minor

• Inscribed

An angle or shape that is inside a circle and has all vertices on the circle is said to be _______________________

• Circumscribed

• Intercepted

• Inscribed

• Common

A chord that passes through the center of a circle

• Tangent

• Diameter

• Arc

• Semicircle

The place where a tangent intersects a circle

• Common

• Secant

• Point of Tangency

• Arc Length

An arc with endpoints on the diameter & measures 180°

• Minor

• Major

• Circumference

• Semicircle

The distance between endpoints of an arc (a portion of the circumference measured in units)

• Point of Tangency

• Arc

• Chord

• Arc Length