Review circle relationships as you answer the questions below.
On your paper, draw a diagram of
with . If and the length of the radius of is , what is the length of chord ?
What do you notice about
How can trigonometry help you solve for
Now draw a diagram of a circle with two chords,
and , that intersect at point . If , , and , what is ?
Remember that intersecting chords create similar
triangles, and that the corresponding sides of similar
triangles have equal ratios.