Circle Theorem Circumscribed Circle

Name a secant.

• BD

• DG

• HF

• AF

Diagram shows a tangent to a circle.

• True

• False

• tangent

• secant

• chord

• radius

• diameter

The perpendicular bisector of a chord passes through the __________ of the circle.

Find the measure of the arc GH.

• 54°

• 82°

• 144°

• 70°

Solve for x. 

• 7.94

• 8

• 10.58

• 112

Is line AB tangent to the circle at Point A?

• YES

• NO

• Can't Tell

Is line AB tangent to the circle?

• YES

• NO

• Can't Tell

Can a secant be a tangent?

• yes they are both the same line

• yes they are both parts of a circle

• No secant intersect the circle twice and tangent intersects once

• No they both have nothing to do with circles

Which theorem states that if a diameter bisects a chord, then the diameter is perpendicular to the chord?

• Tangent Radius Theorem

• Perpendicular Bisector Theorem (circles)

• Diameter Bisector Theorem

• Converse of the Diameter Bisector Theorem