Question

Using graph paper and taking 1 cm = 1 unit along both x-axis and y-axis. 

(i) Plot the points A(-4, 4) and B (2, 2) 

(ii) Reflect A and B in the origin to get the images A’ and B’ respectively. 

(iii) Write down the co-ordinates of A’ and B’. 

(iv) Give the geometrical name for the figure ABA’B’. 

(v) Draw and name its lines of symmetry.

Answer 1

(i) See graph

(ii) See graph

(iii) A'(4,-4)

B'(-2,-2)

(iv) Rhombus

(v) Two lines of symmetry.

Both diagonal, AA' and BB'