To estimate the size of a lake, Leah starts at one end of the lake and walks 90 meters. Then, she turns 100 degrees and walks another 84 meters to the end of the lake. Please draw a diagram of this situation. Also, how long is the lake?
1 Answer
Dec 23, 2017
Length of the lake is
Explanation:
.
Leah starts at point
From the law of cosines, we have:
Length of the lake is