Geometry Problem 1406: Four Congruent Circles, Sum of the Squares, Measurement, Metric Relations

Proposition

Four congruent circles of centers A, B, C, and D intersect as shown. If P is a point on the circle D, prove that PA2 = PB2 + PC2.
 
 

Geometry Problem 1406: Four Congruent Circles, Sum of the Squares, Measurement, Metric Relations, Tutor

 

Poster of Geometry Problem 1406 using iPad Apps

Poster of Problem 1406, Four Congruent Circles, Sum of the Squares, Measurement, Metric Relations, iPad