In the following diagram CE AB and CF and CD. if we are given that AC= 5 and m

Which statement is a proper biconditional statement for the conditional statement: if a line intersects a line segment at its midpoint, then it is a segment bisector. if a line is a segment bisector, then it intersects the line segment at its midpoint. if a line does not intersect a line segment at its midpoint, then it is not a segment bisector. a line intersects a line segment at its midpoint if, and only if, it is a segment bisector. if a line is not a segment bisector, then it does not intersect the line segment at its midpoint.

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4