







A common chord to two circles 
20120422 

Nicole pose la question : What is a common chord between two circles and how is it found in the problem: Two circles intersect and have a common chord, the radii of the circles are 13 and 15, the distance between the circle's centers is 14, find the common chord. Penny Nom lui répond. 





Two overlapping circles 
20080426 

Michelle pose la question : Two overlapping circles O and Q have the common chord AB (vertical line between the overlapping circles). If AB is 6 and circle O has a radius of length 4 (horizontal line going through the overlapping circles and touching the side of the circle) and circle Q has a radius of length 6, how long is OQ. Penny Nom and Walter Whiteley lui répond. 





A common chord to two circles 
20080309 

shubha pose la question : please help me out with this problem.
find the length of the common chord of the intersecting circles x2+y24x5=0
and x2+y22x+8y+9=0 Stephen La Rocque lui répond. 

