Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 17064
7 votes

How can we determine the center of a circle using a straightedge?

Edit: The following answer was written assuming that the ambiguous phrase “given a circle with diameter $AB$” in the question is to be interpreted as “given a circle having diameter $AB$” rather than …
Gro-Tsen's user avatar
  • 32.5k
13 votes
Accepted

Wanted, dead or alive: Have you seen this curve? (circular variant of cardioid)

As per the original poster's suggestion, here is a slightly expanded version of what I posted as a comment: If we consider the envelope of the family of lines $L_\theta$ which connect the points with …
Gro-Tsen's user avatar
  • 32.5k