Determine the length of DF.

keene f. ffnfnfnfnfnfnfn f bfnfnfnfnfj

answer: i ! the answer is   9000 seconds, also d

hope i

-lavira : )

t= half of the arc subtended by t.

r= half of the arc subtended by r.  

t+r= half of the arc subtended by t + half of the arc subtended by r= half of 360=180

step-by-step explanation:

5/12

step-by-step explanation:

give them both a common denominator so you get 9/12 and 4/12. subtract 9/12 from 4/12 to get 5/12.