Answer:
tan Z = 24/7
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
tan Z = opp side / adj side
tan Z = 24/7
Since the triangles are congruent and m<I is congruent to m<P.
Therefore, 3x + 4 = 72 - x
3x + x = 72 - 4
4x = 68
x = 68/4 = 17
x = 17