Unit 11: Circles and Properties

Parts of Circles: What is being represented in the image?

• Diameter

• Chord

• Radius

• Tangent

Parts of Circles: What is being represented in the image?

• Secant

• Chord

• Tangent

• Diameter

Parts of Circles: What is being represented in the image?

• Tangent

• Concentric Circles

• Radius

• Secant

Parts of Circles: What is being represented in the image?

• Chords

• Tangents

• Exterior Angle

• Central Angle

Tangent Lines in Circles: If a line is tangent to a circle, then it is ________ to the radius drawn to the point of tangency.

• parallel

• adjacent

• supplementary

• perpendicular

Tangent Lines in Circles: A tangent line intersecting with a radius always creates a ____________ angle.

• right

• acute

• obtuse

• straight

Tangent Lines in Circles: Line AC is tangent to circle O at point C. What is the length of AB?

• 289

• 17

• 9

• 8

Properties of Arcs and Angles: Segment EB is a diameter. What is the value of x?

• 78

• 166

• 76

• 152

Properties of Arcs and Angles: Segment EB is a diameter. What is the value of y?

• 78

• 76

• 102

• 128

Inscribed Angles: Solve for x.

• 5

• 23

• 2

• 28