cnvanpelt1087 cnvanpelt1087 19-02-2024 Mathematics contestada Parallelogram ABCD is dilated by a scale factor of 4/5 to form parallelogram A'B'C'D'. Side DA measures 21 units. What is the measure of side D'A'? a) 16.8 units b) 18.9 units c) 26.25 units d) 24.5 units