Answer: 7.5
Explanation:
first. 3, 4, 5 is a pythagorean triple in terms of triangle ABC.
to find this you do 3 squared plus 4 squared to find c, which the simplified radical of 25 is 5.
the proportion you would do:
A'B'/A'C' would be equal to AB/AC
so... A'B'/6 = 5/4
A'B' will equal 30/4 or 7.5.