Answer: Options 'A' and 'D' are correct that could be the dimensions of Rectangle B.
Step-by-step explanation:
Since we have given that
Dimensions of Rectangle A is given by
12 cm by 3 cm.
And Rectangle B is a scaled copy of rectangle A.
So, by options we can check :
A. 6 cm by 1.5 cm
so, it is scaled dimension copy of rectangle A.
D.18 cm by 4.5 cm
So, it is also scaled copy of rectangle A.
Hence, Options 'A' and 'D' are correct that could be the dimensions of Rectangle B.