The Oakland/ East Bay Math Circle (OEBMC) is a weekly after-school program for middle and high school teachers and students centered on mathematical exploration and discovery.
Starting again September 18, 2008, OEB Math Circle courses will be at Laney College on Thursdays from 4:30-5:30 PM, providing the opportunity for students to learn advanced mathematics and teachers to receive professional development and math enrichment.
Read More about the Oakland/East Bay
Math Circle Mission and Program
Newsflash!
OEBMC will break for Spring after April 2nd. OEBMC will begin again on Thursday April 23rd, 2009 and then we'll be meeting every week until May 14th!
Click Here for the latest OEBMC News! (.pdf)
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Around the outside of a 4 by 4 square, construct four semicircles (as shown in the figure) with the four sides of the square as
their diameters. Another square, ABCD, has its sides parallel
to the corresponding sides of the original square, and each side
of ABCD is tangent to one of the semicircles. What is the area
of the square ABCD?
- from AJHSME 1994
