Difference between revisions of "Power of a point theorem"
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+ | ==Problems== | ||
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+ | ====Introductory (AMC 10, 12)==== | ||
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+ | ====Intermediate (AIME)==== | ||
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+ | ====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