Answer:
5.6 = AC
Explanation:
We know that the length of BD is congruent to the length of AC, therefore we can say:
BD ≅ AC
4.8 * 1.6 = 3.2 * x
7.68 ≅ 3.2x
7.68 / 3.2 ≅ x
2.4 = x
Therefore length of AC would be:
3.2 + x = AC
3.2 + 2.4 = AC
5.6 = AC
Hope this helps!