Name the property of equality or congruence that justifies going from the first statement to the second statement.
ST=QR
QR=ST
Areflexive property of congruence
Bsymmetric property of congruence
Ctransitive property of congruence
Dsubstitution property of congruence
ST=QR
QR=ST
Areflexive property of congruence
Bsymmetric property of congruence
Ctransitive property of congruence
Dsubstitution property of congruence