A surveyor sights two signs and the angle between the two lines of sight measures 55. If the first and the second signs are 70 m and 50 m away,respectively,from the surveyor, find the distance between the two signs .Express your answer to the nearest meter.

5 answers

plug in the law of cosines:

c^2 = a^2 + b^2 - 2ab cosθ

a surveyor sights two signs and the angle between the two lines of sight measures 55 degrees. If the first and the second signs are 70 m and 50 m away, respectively, from the surveyor, find the distance between the two signs. Express your answer to the nearest meter.

82 cm