Download presentation

1
**Tangent/Radius Theorems**

11-1 Tangent Lines Tangent/Radius Theorems Two Tangents Theorem

2
**Vocabulary Tangent to a circle Point of tangency**

A line in the same plane of a circle that intersects the circle in exactly one point. The point where a circle and a tangent intersect.

3
Theorem 11-1 If a line is tangent to a circle, then the line is perpendicular to the radius drawn to the point of tangency. A P B O

4
**#1 Finding Angle Measures**

is tangent to Find the value of x. D E xo O 38o

5
Theorem 11-2 If a line in the plane of a circle is perpendicular to a radius at its endpoint on the circle, then the line is tangent to the circle. A P B O

6
#2 Finding a Tangent A belt fits tightly around two circular pulleys. Find the distance between the centers of the pulleys. 15 cm 3 cm 15 cm 3 cm 4 cm O P x 7 cm 15 cm

7
#3 Finding a Tangent If NL = 4, LM = 7, and NM = 8, is tangent to a at L? M 8 7 4 L N

8
**Vocabulary Inscribed in Circumscribed about**

All vertices of a figure lie on the circle. When a circle is inscribed in a figure.

9
Theorem 11-3 The two segments tangent to a circle from a point outside the circle are congruent. A B O C

10
**#4 Circles Inscribed in Polygons**

Circle O is inscribed in Triangle PQR. Triangle PQR has a perimeter of 88 cm. Find QY. Q x X x 15 cm P Y O 15 cm Z 17 cm 17 cm R

Similar presentations

Presentation is loading. Please wait....

OK

Use Properties of Tangents

Use Properties of Tangents

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on network theory business Ppt on producers consumers and decomposers ecosystem Ppt on c language fundamentals worksheets Ppt on area of parallelogram formula Ppt on power system restructuring Ppt on power factor meter Ppt on power transmission in automobiles Ppt on political parties and electoral process definition Ppt on you can win book Ppt on world bank and imf