Secant Lines and Segments

Name a radius of the circle. #1

Name a chord of the circle. #2

Name a tangent of the circle. #3

If a line is tangent to a circle, then it is _____ to the radius drawn at the point of tangency. #9

What is AD called? #11

What is KG called? #17

What relationship guarantees that line AD is perpendicular to segment BD when constructing the line tangent to circle B that passes through point A? #30

The maximum number of Tangents that can be drawn to a circle from a point outside it is ________ #42

Determine whether is tangent to the circle. HINT: Use   $$c^2=a^2+b^2$$  to verify that MP  $$\perp$$  ML. We assume LP is c and MP and ML are a and b respectively. #40

Determine if a tangent line is shown in the picture. #32

Is line AB tangent to the circle? #33

Find x. Assume that segments that appear to be tangent are tangent. #41

Kimi wants to determine the radius of a circular pool without getting wet. She is located at point K, which is 4 feet from the pool and 12 feet from the point of tangency, as shown in the accompanying diagram. What is the radius of the pool? #44

Point B is a point of tangency, Find the radius r of circle C. #12

What is the value of x and AB? #38

What can you conclude? #39