Which of the coordinates presented in the list of options are the vertices of a right isosceles triangle?
A D(−2, −3), E(−5, −7), F(2, −6)
B A(−3, 2), B(−3, −9), C(2, −4)
C P(−6, 2), Q(1, 0), R(−3, −2)
D X(3, 1), Y(−4, −3), Z(−8, 3)
+165 
