Question #b859a

1 Answer
Nghi N.
Aug 29, 2015

Find distance PF knowing PQ = 490; <QPF = 43 and <QFP = 36.

Ans: 813.90 m

Explanation:

In the triangle PQF, the angle Q is :
180 - P - F = 180 - 43 - 36 = 101 deg
Apply the Sine Law: a/sin A = b/sin B. Call x the distance PF
In the triangle PFQ, we have:

#x/sin 101 = 490/sin 36# --> #x = 490(sin 101/sin 36) = 490(0.98/0.59) = 813.90# m

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