Circle Arcs & Angles

A ____ is a line, ray, or segment that intersects a circle at two points.

• Tangent
• Secant
• Radius
• Arc

An angle is a(n) ______ if the vertex is on a circle and the sides of the angle are shords of the circle.

• right angle
• acute angle
• inscribed angle
• intercepted angle

Tags

CCSS.HSG.C.A.2

A(n) _____ to a circle is a line, ray or segment in the plane of the circle that intersects the circle in exactly one point.

• tangent
• secant
• radius
• arc

Tags

CCSS.HSG.C.A.2

Segments with endpoints on a circle are called _____.

• arcs
• radii
• chords
• polygons

What is the value of x?

• 75
• 90
• 150
• 180

Tags

CCSS.HSG.C.A.2

Which is true of a minor arc?

• It forms half a circle.
• It forms a whole circle.
• It measures greater than 180 degrees. 
• It measures less than 180 degrees.

Which is true of a major arc?

• Forms half a circle.
• Forms a whole circle.
• Measures greater than 180 degrees.
• Measures less than 180 degrees.

• x = 160
• x = 40
• x = 80
• x = 360

Tags

CCSS.HSG.C.A.2

If the measure of arc ABC = 210°, what is the measure of ∠AOC?

• 150°
• 100°
• 210°
• 105°

Find the measure of arc AB.

• 17 degrees

• 34 degrees

• 68 degrees

• 146 degrees

Tags

CCSS.HSG.C.A.2