Based on the information in the diagram, what is the length of side b?

The length of side b is 36.
Triangle 1 and 2 are similar triangles. In order to determine the length of side b, the ratio of the lengths given has to be determined.
45/10 = 4.5
This means that triangle 2 is 4.5 times larger than triangle 1.
Length of side b = 4.5 x 8= 36
To learn more about similar triangles, please check: https://brainly.com/question/10658464