Please help me I’m so lost

Answer:
43.01 Mi (Assuming that the 5 is referring to that side)
Step-by-step explanation:
Side (a)
5
mi
Perimeter
25
mi
Area
43.01
mi
Diagonal (d)
8.09
mi
Height (h)
7.694
mi
Circumcircle radius (R)
4.253
mi
Incircle radius (r)
3.441
mi