A radar operator sights two objects, one at a distance of 7 miles and the other at a distance of 12 miles. If?

the angle between the sightings is 35 degree, how far apart are the objects. Possible answers are:


a. 7.4 miles


b. 7.9 miles


c. 8.3 miles


d. 8.4 miles

A radar operator sights two objects, one at a distance of 7 miles and the other at a distance of 12 miles. If?
Do Law of Cosines





C^2=7^2+12^2-2*7*12*cos35





So, 7.4, a
Reply:Are we forgetting to draw the picture?





Apply the Cosine Rule.
Reply:He stops me and gives me a ticket.

pansy