Question

A’ and B’ are images of A (-3, 5) and B (-5, 3) respectively on reflection in y-axis. Find: (

a) the co-ordinates of A’ and B’.

(b) Assign special name of quadrilateral AA’B’B.

(c) Are AB’ and BA’ equal in length?

Answer 1

(a) The co-ordinates of A’ and B’ are (3, 5) and (5, 3).

(b) Quadrilateral AA’B’B is an isosceles trapezium.

(c) Yes, AB’ and BA’ are equal in length.