Problema Solution
two cars A & B start from the same point at the same time & travel along straight roads that form 60 degree w/ each other.after 2 hours car A has traveled 120 km and car B,100 km.how far apart are the car after two hours?
Answer provided by our tutors
By cosine formula the third side c = √(1202+1002-2*120*100*cos60) = 111.36km