Difference between revisions of "Power of a point theorem"
 (→Case 2 (Outside the Circle):)  | 
				|||
| Line 20: | Line 20: | ||
**Still working  | **Still working  | ||
| + | |||
| + | ==Proof==  | ||
| + | |||
| + | ==Problems==  | ||
| + | |||
| + | ====Introductory (AMC 10, 12)====  | ||
| + | |||
| + | ====Intermediate (AIME)====  | ||
| + | |||
| + | ====Olympiad (USAJMO, USAMO, IMO)====  | ||
Revision as of 13:01, 23 April 2024
Contents
Theorem:
There are three unique cases for this theorem. Each case expresses the relationship between the length of line segments that pass through a common point and touch a circle in at least one point.
Case 1 (Inside the Circle):
If two chords 
 and 
 intersect at a point 
 within a circle, then 
Case 2 (Outside the Circle):
Classic Configuration
Tangent Line
Normal Configuration
Tangent Line
Case 3 (On the Border/Useless Case):
- Still working