10-2 Properties of Tangents Day 1

Identify the point of tangency.

• P

• T

• R

• S

A line in the same plane as a circle that intersects the circle at exactly one point is a ____________.

• tangent
• secant
• chord
• radius

If a line is tangent to a circle, then it is ________ to the radius drawn to the point of tangency.

• parallel

• adjacent

• supplementary

• perpendicular

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

A tangent line intersecting with a radius always creates a ____________ angle

• right
• acute
• obtuse
• straight

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Which shows a tangent line?

• 
• 
• 
• 

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

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

• 11.2

• 18.0

• 25.0

• 30.0

Find the segment length indicated. Assume that lines which appear to be tangent are tangent.

• 6.8

• 7.2

• 7.5

• 7.8

Tags

CCSS.HSG.C.A.2

Select the correct work to determine if $\overline{AB}$ is tangent to the circle.

•  $15^2>9^2+6^2$  

•  $15^2=9^2+12^2$  

•  $9^2<15^2+6^2$  

•  $15^2=9^2+6^2$  

 $\overline{QS}$ is tangent to circle P. Find QS.

• 144

• 14

• 12

• 13

Determine whether  $\overline{MP}$   is tangent to the circle.

• Yes $28^2=20^2+21^2$ 

• NO $28^2\ \ne20^2+21$ 

• Yes $20^2=\ 28^2+21^2\$ 

• NO  $21^2\ne20^2+28^2$