Construction: A triangular traffic island has sides 21.5, 46.2, and 37.1 ft. What is the angles at the corner

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2007-11-27 02:35:05 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

You can find each of the three angles by using your calculator and the law of cosines: a^2 = b^2 + c^2 -2bc(cosA). Now get to work!!

2007-11-27 03:09:30 · answer #1 · answered by Anonymous · 0⤊ 0⤋

27, 101 & 52 degrees

2007-11-27 03:24:49 · answer #2 · answered by Shrikant R 2 · 0⤊ 0⤋

http://ostermiller.org/calc/triangle.html
Cheating a bit, I know.

2007-11-27 03:19:43 · answer #3 · answered by paul h 7 · 0⤊ 0⤋