R= 6 in.
area = 兀r^2
= 兀(36)
Answer:
The dollar bills would encircle earth 65753.1 times
Step-by-step explanation:
We have
Length of dollar bill = 15.5 cm
Total dollar bills = 17 trillion = 
Thus the length of 17 trillion dollar bills equals

Now taking shape of earth as a perfect sphere the circumference of earth becomes

Thus the number of times the dollar bills would encircle earth equals

Answer:
50.528º
Step-by-step explanation:
tanA = BC/BA
tanA = 17/14
A = 50.528º