The vertices of △ GHI are G(2,4), H(4,8) , and I(8,4) The vertices of △ JKL are J(1,1), K(2,3) , and L(4,1) Which conclusion is true about the triangles?
a. They are congruent by the definition of congruence in terms of rigid motions.
b. They are similar by the definition of similarity in terms of a dilation.
c. The ratio of their corresponding sides is 1:3
d. The ratio of their corresponding angles is 1:3.