the diamater of CIRCLE D is 18 units long find the length of each arc for the given angle measure

(ARC)LM if m<LDM=100

- (ARC)MN if m<MDN = 80

- (ARC)KL IF m<KDL=60

- (ARC)NJK if m<NDK=120

- (ARC)KLM if <KDM=160

- (ARC)JK if m<JDK = 50

Please solve this for me so i can do the 5 other that i have