A race is being planned in your city. The course for the race is shown in the graph. The race starts at point A and ends at point F. The distance is in miles.
21. How many miles is the entire race?
PLEASE HELP

hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2

step-by-step explanation:

a and d

answer: the answer is fre sha voca do

step-by-step explanation: