Asked by T
It is impossible to measure the length of a particular swamp directly. (Snapping turtles!!) Kendra put a stake in the ground and measured from the stake to opposite ends of the swamp, the results being 410 m and 805 m. She measured the angle between the distances to be 57°. What is the length of the swamp?
Answers
Answered by
bobpursley
law of cosines:
c^2=a^2+b^2 -2ab*cosTheta
c^2=a^2+b^2 -2ab*cosTheta
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