Geometry Chapter 12-3 & 12-5
About this set
Created by:
lhays2013 on May 17, 2010
Subjects:
Inscribed Angles, Geometry, Circles in the Coordinate Plane
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9 terms
Terms | Definitions |
|---|---|
 If a line is tangent to a circle, then | it is perpendicular to the radius drawn to the point of tangency |
| The two segments tangent to a circle from a point outside the circle are ___ | congruent |
| Point of tangency: | where a line intersects a circle |
| Inscribed Angle Theorem | The measure of an inscribed angle is 1/2 the measure of its intercepted arc |
| Two inscribed angles that intercept the same arc are | congruent |
| An angle inscribed in a semicircle is a: | right angle |
| The opposite angles of a quadrilateral inscribed in a circle are | supplementary |
| The measure of an angle formed by a tangent and a chord is | 1/2 the measure of its intercepted arc |
| Equation of a Circle - Standard Form: | (x-h)²+(y-k)²=r² where (h,k) is the center, (x,y) are another set of points and r is the radius |
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