
Mark M. answered 11/04/20
Mathematics Teacher - NCLB Highly Qualified
Law of Cosines
Draw and label a diagram!
d2 = (50.4)2 + (39.6)2 - 2(50.4)(39.6) cos 140°
Paige S.
asked 11/03/20Two ships leave a harbor at the same time, traveling on courses that have an angle of 140 degrees between them. If the first ship travels at 22 miles per hour and the second ship travels at 28 miles per hour, how far apart are the two ships after 1.8 hours?
distance=
Mark M. answered 11/04/20
Mathematics Teacher - NCLB Highly Qualified
Law of Cosines
Draw and label a diagram!
d2 = (50.4)2 + (39.6)2 - 2(50.4)(39.6) cos 140°
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