Answer:
see explanation
Explanation:
assuming the dilatation is centred at the origin
then multiply each of the original coordinates by the scale factor 2
A (1, 1 ) → A' (2(1), 2(1) ) → A' (2, 2 )
B (5, 2 ) → B' (2(5), 2(2) ) → B' (10, 4 )
C (3, 5 ) → C' (2(3), 2(5) ) → C' (6, 10 )