Circles Segments Chords Tangents Secants Angles

The angle relationship shown in the circle represents ​ ​

g

Segment Relationship (Secant / Tangent)

Angle relationship in circles (Central Angle)

Angle relationship in circles (Inscribed Angle)

Segment Relationship (2 Tangents)

Angle relationship in circles (Vertex Outside)

Angle relationship in circles (Vertex Inside)

Segment Relationship (2 Chords)

Segment Relationship (2 Secants)

Tags

CCSS.HSG.C.A.2

What is the difference between a tangent line and a secant line?

• A secant intersects the circle twice; a tangent touches the circle once

• A tangent intersects the circle twice; a secant touches the circle once

• A secant goes through the center of the circle; a tangent does not

• A secant is outside the circle; a tangent is inside the circle

Match the following vocabulary term with its appropriate part of the circle.

• Secant Line

• Line PR

• Minor Arc

• Major Arc

• Point V

• Semi-Circle

• Point of Tangency

Find the measure of the missing angle. (Hint: Central Angles)

• 60

• 310

• 155

• 50

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What is the measure of the missing angle in degrees? (Hint: Inscribed Angle)

• 102

• 51

• 204

• 40

Tags

CCSS.HSG.C.A.2

If an inscribed angle intercepts a diameter, then it is a(n) _ angle.

• Obtuse

• Right

• Acute

Tags

CCSS.HSG.C.A.2

Find the measure of the missing angle in degrees. (Hint: Overlapping Arcs and Inscribed Angles)

• 41

• 37

• 82

• 164

Tags

CCSS.HSG.C.A.2

What is the formula to use when solving for a segment length of intersecting chords in a circle?

• ab=cd

• a(a+b)=c(c+d)

• a+b=c+d

Tags

CCSS.HSG.C.A.2

Solve for angle "x" in degrees. (Hint: Intersecting Exterior Secants- Finding Arcs and Angles)

• 60

• 55

• 115

• 87

Tags

CCSS.HSG.C.A.2

If 2 segments from the same external point are tangent to a circle, then they are_.

• Supplementary

• Congruent

• Complimentary

Tags

CCSS.HSG.C.A.2