Your question seems incomplete :-(
Answer:
5,874,589,152,000 mi.
Step-by-step explanation:
Angle c (36 degree) is equal to angle a
Angle a=36 degree
a+b=180
b=180-36
b=144 degree
Angle b=144 degree
To find the perimeter you do length + width so you do 12.4 + 5.9 to get the perimeter.
