Math Formulas, Practice, Tests, Forums, Free Help


Inside a circle E with radius 2 units , there are 2 circles A and B both with radius 1 unit . A touches E at a point and keep fixed , while B rolls randomly along the circumference of E . Find the expectation of the overlapping area of A and B .

Math problem of the week

Website Info

The website was created in September 2005.
It is visited by 14,000 - 28,000 people daily, mostly from USA, Bulgaria, Russia, India, Philippines, Ukraine, Serbia...
In 2011 was created a Russian version, and in 2015 Serbian.

Contact email:

  Math10 Banners  
Copyright © 2005-2017.