Download presentation

Presentation is loading. Please wait.

Published byJulian Hunt Modified over 6 years ago

1
Tangents, Arcs and chords, basic terms Section 9-1

2
Circle Circle- The set of points in a plane at a given distance from a given point in that plane.

3
Center Center- The given point (C) in the middle of a circle. C

4
Radius Radius- The given distance between the center and circumference of a circle. C

5
Chord Chord- A segment whose endpoints lie on a circle. C

6
Secant Secant- A line that contains a chord. C

7
Diameter Diameter- A chord that contains the center of a circle. C

8
Tangent Tangent- A line in the plane of a circle that intersects the circle in exactly one point. C T

9
Point of Tangency Point of Tangency- The point (T)where a tangent intersects a circle. C T

10
Sphere Sphere- A sphere with center O and radius R is the set of all points in space at a distance R from point O

11
Congruent Circles (or spheres)- Congruent Circles (or spheres)- Circles (or spheres) that have congruent radii. C 3 D 3

12
Concentric Circles Concentric Circles- Circles that lie in the same plane and have the same center. C

13
Concentric Spheres Concentric Spheres- Spheres that have the same center.

14
Inscribed/Circumscribed Inscribed- A polygon is inscribed in a circle when each vertex of the polygon lies on the circle. Circumscribed- A circle is circumscribed about the polygon when each vertex of the polygon lies on the circle.

15
Inscribed/Circumscribed

Similar presentations

© 2022 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google