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Topic: circle equations
Replies: 2   Last Post: Jan 13, 2005 10:04 AM

 Messages: [ Previous | Next ]
 Kevin Karplus Posts: 190 Registered: 12/6/04
Re: circle equations
Posted: Jan 5, 2005 9:42 AM

In article <bh0mt0lcjcf5kbku72a4o1dqigf6afp5m9@4ax.com>, D wrote:
> A circle passes though the vertices of the right triangle A(-2,-4),
> B(-2,3), and C (7,3). What is the equation of the circle?
>

D has sent us 3 of his/her homework problems, with no indication that
any attempt has been done at any of them. I'll give one hint for this
problem and ignore the rest.

Hint: the triangle is a *right* triangle. What do you know about
central angles and inscribed angles?

------------------------------------------------------------
Kevin Karplus karplus@soe.ucsc.edu http://www.soe.ucsc.edu/~karplus
Professor of Biomolecular Engineering, University of California, Santa Cruz
(Senior member, IEEE) (Board of Directors, ISCB starting Jan 2005)
life member (LAB, Adventure Cycling, American Youth Hostels)
Effective Cycling Instructor #218-ck (lapsed)
Affiliations for identification only.

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Date Subject Author
1/5/05 Kevin Karplus
1/13/05 Art Long