SOLUTION: A triangular plot of land has sides of lengths 410 feet, 360 feet, and 170 feet. Approximate the smallest angle (in degrees) between the sides. (Round your answer to the nearest wh

Algebra ->  Trigonometry-basics -> SOLUTION: A triangular plot of land has sides of lengths 410 feet, 360 feet, and 170 feet. Approximate the smallest angle (in degrees) between the sides. (Round your answer to the nearest wh      Log On


   

Question 1154544: A triangular plot of land has sides of lengths 410 feet, 360 feet, and 170 feet. Approximate the smallest angle (in degrees) between the sides. (Round your answer to the nearest whole number.)
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
The smallest angle is opposite the 170 foot side. Use Law Of Cosines.

410%5E2%2B360%5E2-2%2A410%2A360%2Acos%28x%29=170%5E2