Answers

2016-04-26T16:41:40+08:00
I'm not 100% sure but base on my solution I used the tangent because you are looking for the adjacent side or the distance of the boat from the cliff's foot. Given: h= 125m, Angle dep. = 20.7 degrees tan teta= 125tan20.7 = 47.23 m far from the foot of the cliff.
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