Circles Arc Measures Geometry

In the diagram, AC is tangent to circle B, find the length of CB.

• 6

• 7

• 8

• 9

In the diagram, two chords intersect inside the circle. Solve for x.

• 14

• 12

• 19

• 17

What is the measure of angle HKI?

• 72

• 73

• 74

• 75

_____ Arcs – Arcs in the same circle or congruent circles that have the same measure

The shortest arc connecting two endpoints on a circle that measures less than 180 degrees

• Major Arc

• Tangent

• Minor Arc

• Semicircle

The distance around a circle

• Circumference

• Radius

• Diameter

• Point of Tangency

A segment with endpoints on the circle

• Secant

• Chord

• Major Arc

• Minor Arc

A segment with endpoints going front the center of the circle to any point on the circle

• Radius

• Diameter

• Chord

• Secant

Arcs in the same circle/ congruent circles that have the same measure

• Congruent Arcs

• Intercepted Arcs

• Major Arcs

• Adjacent Arc

An arc that has endpoints on the sides of an inscribed angle and lies in the interior of the inscribed angle

• Major Arc

• Minor Arc

• Inscribed Arc

• Intercepted Arc