Quadrilateral ABCD will be dilated about the origin by a scale factor of 1/3 and then reflected across the y-axis.

See explanation

Step-by-step explanation:

The coordinate of ABCD is not given; So, I will solve using general coordinates (x,y).

First, ABCD is dilated by 1/3.

The rule is:

This gives

Next, it is reflected across y-axis.

The rule is:

So, we have:

So, the complete transformation is:

Assume that:

The transformation will be:

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72 is the answer to this problem