Your question is unclear, can you elaborate more?
Answer:
990.36$
Step-by-step explanation:
You times 18 by 42 then you get 756 then you times that by 1.31$
Step-by-step explanation:
Circumference of Circle =

given d = 19.4mi
r = 1/2d
= 1/2 x 19.4
= 9.7mi
Circumference of Circle =

Answer:
10/cot 62 degrees
Step-by-step explanation: