Katie draws two chords in a circle in a certain way. she then draws in four segments between adjacent endpoints of the chords to form a quadrilateral. which of the following is not true about the chords if katie constructed a square? a. the chords must both be diameters. b. the chords must bisect one another. c. the chords must be perpendicular to one another. d. the chords must form two acute and two obtuse angles at their intersection.