Figure I and Figure II are similar quadrilaterals.
figure one
trapezoid
8.5 for sides
10 for the top
11 for the bottom
figure 2
trapezoid on its side
4.25 for the sides
5 for the top
x for the bottom
which proportion must be true?
10/5 = 11/b
10/5 = b/11
8.5/5 = b/8.5
10/b = 11/5
1 answer
10/b = 11/5