Fill in the blanks :
(i) Those figures which are equal in shape and ………….. are congruent to each other.
(ii) If measures of two angles are equal then they are ………… .
(iii) If two figures A and B are congruent then we will write as …………… .
(iv) If two triangles ∆ABC and ∆PQR given congruent then possible pairs of correspondence are ……… .