Lesson 3-7: Lesson 3-7: Special Segments Special Segments

in a Circlein a CircleAdvanced Math TopcisAdvanced Math Topcis

Mrs. MongoldMrs. Mongold

Two ChordsTwo Chords Seg1 x Seg2= Seg1 x Seg2Seg1 x Seg2= Seg1 x Seg2

AD

O

C

B

Two SecantsTwo Secants Outer x Whole = Outer x WholeOuter x Whole = Outer x Whole

G

I

F

H

E

Secant and TangentSecant and Tangent Outer x Whole = TangentOuter x Whole = Tangent22

B

D

A

C

Find Find xx..

Find Find xx..

Find Find xx..

Find Find xx..

Find x. Round to the nearest tenth.

Find Find xx..

Find Find xx..

LMLM is tangent to the circle. Find is tangent to the circle. Find xx. Round . Round to the nearest tenth.to the nearest tenth.

Find Find xx. Assume that segments . Assume that segments that appear to be tangent are that appear to be tangent are

tangent.tangent.