Tangents, Central Angles and Inscribed Angles Oh My!

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

• congruent
• perpendicular
• complimentary
• supplementary

A _______ to a circle is a line, segment, or ray in the plane of the circle that intersects the circle in exactly one point.

• Chord

• Secant

• Tangent

• Diameter

A _______ of a circle is any segment with one endpoint on the circle and the other endpoint at the center of the circle.

• Chord

• Diameter

• Secant

• Radius

What can you conclude?

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

Which of the following is a true statement?

• A tangent intersects a circle at two distinct points.

• A tangent line might be perpendicular to the radius containing the circle center and the point of tangency.

• A point of tangency is the intersection between two tangent lines.

• A tangent intersects the circle at exactly one point.

Which shows a tangent line?

• 
• 
• 
• 

Determine if a tangent line is shown in the picture.

• Yes

• No

• Not sure

Find the length of BC.

• 2
• 3
• 9
• 14

Assume that all the lines that appear tangent are tangent. Find the perimeter

• 54
• 36
• 48
• 42

Find the perimeter of the polygon.

• 77.8
• 73.4
• 78.8
• 67.4