Arc & Angle Measures (Circles)

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

• Point of Tangency

• Major Arc

• Point V

• Minor Arc

• Line PR

• Semi-Circle

What is the formula to use when solving for an exterior angle formed by 2 exterior intersecting secants, an exterior intersecting secant and tangent, or 2 exterior intersecting tangents of a circle?

• 2(Major Arc + Minor Arc)

• Major Arc - Minor Arc

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

Find the measure of the missing angle in degrees. (Hint: Intersecting Chords)

• 79

• 57

• 22

• 83

Tags

CCSS.HSG.C.A.2

Find the measure of the missing arc in degrees. (Hint: Intersecting Chords)

• 103

• 16

• 71

• 94

Tags

CCSS.HSG.C.A.2

What is the measure of the missing angle?

Tags

CCSS.HSG.C.A.2

Solve for x. Just type in the numeric value.

Tags

CCSS.HSG.C.A.2

Find the measure of angle EFH.

• 61
• 65
• 114
• 130

Tags

CCSS.HSG.C.A.2

Find the measure of angle ABD.

• 14
• 51
• 37
• 65

Tags

CCSS.HSG.C.A.2