Posted by **victor** on Sunday, May 19, 2013 at 9:15am.

PQ is a vertical tower 95m high, the points R and S are on the same horizontal plane as Q, the angle of elevation of P from R is 35 if QS =155m and Q from RQS=48

1.Calculate the distance of QR

2.Calculate the distance of RS

3.Calculate the are of QRS

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