Unit 4.3 Tangent Segments (Pythag & congruent)

What is the value of x?

• 22
• 25
• 15
• 20

Which shows a tangent line?

• 
• 
• 
• 

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

What is the definition of a tangent?

• A line that intersects the circle on two points.

• A line that passes through the center of the circle.

• A line segment that passes through the center of the circle.

• A line that intersects the circle on only one point.

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

• diameter

• chord

• radius

• Secant

A tangent to a circle is ________________________ to the radius drawn to the point of tangency.

• congruent
• perpendicular
• complimentary
• supplementary

What is the length of segment AB?

• 22

• 35

• 15

• 20

What can you conclude?

• AB and AC are not congruent.
• AB= half of AC
• AC = half of AB
• AB=AC

Find the length of BC.

• 2
• 3
• 9
• 14

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

• 15

• 6

• -24

• 14