



 
The answer is not unique. The centers can lie at the vertices of any rhombus with edges 14cm and two angles between 60 and 90 degrees, and this will change the area significantly. Probably you are meant to assume it's a square. Start with the square, draw an accurate diagram, and subtract off the bits that are covered by discs. Good Hunting!  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 