MathDB
Circle Intersection

Source:

March 9, 2006

Problem Statement

The length of the common chord of two intersecting circles is 1616 feet. If the radii are 1010 feet and 1717 feet, a possible value for the distance between the centers of teh circles, expressed in feet, is: (A) 27(B) 21(C) 389(D) 15(E) undetermined\text{(A)} \ 27 \qquad \text{(B)} \ 21 \qquad \text{(C)} \ \sqrt{389} \qquad \text{(D)} \ 15 \qquad \text{(E)} \ \text{undetermined}