Circle Chords and Tangents

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

• 2

• 11

• 7.6

• 9

In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?"

• -15

• 6

• 15

• 14

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

• 11.2

• 18.0

• 25.0

• 30.0

Is line AB tangent to the circle?

• YES

• NO
  NO

• Can't Tell
  Can't Tell

If two tangents are drawn to a circle from an external point, what is the relationship between these two tangents?

• They are congruent.

• They are perpendicular.

• They intersect at the center.

• They are parallel.

Segment AB and AC are​ (a)   to the circle and​ (b)   to each other.

• tangents

• congruent

• secants

• chords

• unequal

• similar

Using lines tangent to the circle, find the value of x.

• 57

• 137

• 47

• 257

Which is secant?

Find x

• 10

• 5

• 18

• 9

Use chords to solve for x

• x = 3 cm

• x = 4 cm

• x = 5 cm

• x = 6 cm