Question

Square ABCD is constructed with a compass and straightedge.

Which statement tells why line segment AB is congruent to line segment BC?





A.


The lengths of line segment DB and line segment BA are measured with the straightedge.



B.


The lengths of line segment AB and line segment BC are measured with the straightedge.


C.


The length of line segment CD is double the length of line segment AB.


D.


Line segment AB and line segment BC are radii of the same circle.