Circle Theorem Circumscribed Circle

Now that you know the length of CA, what is the length of x in this picture/

• 9

• 8

• 7

• 13

Find the perimeter of the polygon that circumscribes the circle.

The polygon circumscribes a circle. What is the perimeter of the polygon?

The polygon circumscribes a circle. What is the perimeter of the polygon?

A line that touches (intersects) the circle only once from the outside.

• Secant

• Chord

• Tangent

• Line

Select the tangent in the image

• Arc AB

• Segment LY

• Point L

• Segment MN

What is in the picture?

• Two Secants

• Two Chords

• One Secant and One Tangent

• Two Tangents

Which is a point of tangency?

• K

• L

• H

• J  

10.7 Perpendicular Chord Bisector Theorem If a diameter of a circle is perpendicular to a chord, then the diameter _________ _____ _______ and its arc.