Timeline for Intersecting Circles.
Current License: CC BY-SA 4.0
Post Revisions
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 29, 2018 at 2:01 | history | edited | Math Tise | CC BY-SA 4.0 |
added 16 characters in body
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| Jul 28, 2018 at 17:00 | answer | added | WuKong | timeline score: 1 | |
| Jul 28, 2018 at 15:39 | answer | added | Malkin | timeline score: 0 | |
| Jul 28, 2018 at 15:29 | comment | added | fleablood | @EMalkin I don't see how it can mean anything else. $O1$ is the center of the $C_1$ and $A$ is also on $C_1$. Any line through a center, which $O_1A$ is intersects the circle exactly twice (forming a diameter). The implication is $A$ is a different point than $P_1$ so it must be the other point. Even if $A$ could be the same as $P_1$ the question asks for the maximum number of $6$ possible points so it seems we must consider the points being different to have more of them. | |
| Jul 28, 2018 at 15:25 | comment | added | Malkin | Does the question suggest that line $O_1A$ should be extended to meet the circle $C_1$ again at $P_1$ (so that $AP_1$ is a diameter of the circle)? | |
| Jul 28, 2018 at 15:25 | comment | added | fleablood | I think P1 is supposed to be the point opposite P1. In other words $P_1,O_1, A$ form a diameter. | |
| Jul 28, 2018 at 15:13 | history | asked | Math Tise | CC BY-SA 4.0 |