In the figure below 4 congruent circles are drawn with centers at A, B, C and D..Circle A is ts tangent to circle B and circle D, and circle C is tangent to circles B and D. What fraction of the quadrilateral ABCD is shaded purple? (The region between three circles is shaded purple.)

# TJ Prep Problems

TJ test prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.