Do these two triangles have the same slope ?

If eh = hg and hg=16, find the diameter of k

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Ineed to know the answer to this algebra question.