in the adjoining figure ,the angle of elevation from a point P of the top of a tower QR,50m high is 60° and that of the tower PT from a point Q is 30° . find the height of the tower PT,correct to the nearest metre
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Step-by-step explanation:
In Δ PQR
QR/PQ= tan60=√3
⇒PQ=QR/√3
In △PTQ
PT/PQ=tan30=1/√3
PT=PQ/√3=QR/3=50/3
=16.7 cm
0.167 m
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