Homework Help: homework check

Posted by Courtney on Sunday, April 15, 2012 at 7:26pm.

which if the following statements is false?
a. The points of a circle are coplanar
b. Concentric circles intersect in exactally one point
c. In are AB C Denotes that an arc of the circle has endpoints A and C and that passes thru B
d. If a line and a circle are coplanar and the line intersects the circle at exactally one point the libe is called a tangent line

i think its b

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