Segments of a Circle

Find the length of EC

LM is tangent to the circle. Find x

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

• 2

• 11

• 7.6

• 9

A line segment connecting any two points on a circle is called a _____________.

• diameter

• chord

• radius

• Secant

Is line AB tangent to the circle?

• YES

• NO
  NO

• Can't Tell
  Can't Tell

What can you conclude?

• AB and AC are not congruent.

• AB= half of AC

• AC = half of AB

• AB=AC

QS is a tangent to circle P. Find QS.

• 144

• 14

• 12

• 13

Solve for x, then find the length of BC.

• x = 3, BC = 28

• x = 9, BC = 3

• x = 9, BC = 44

• x = 3, BC = 14

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

• 11.2

• 18.0

• 25.0

• 30.0

What can you conclude from the picture?

• m is parallel to circle C

• m is skew to circle C

• m bisects circle C

• m is tangent to circle C