EM-3032

Trigonometric ratios

E Math · Secondary 4 · Medium · Trigonometric ratios

A point P is at the base of a vertical tower. The height of the tower is 150 m. A cyclist rides in a straight line on level ground from point A to point B. The shortest distance from the cyclist to P during the ride is 90 m.

Calculate the greatest angle of elevation of the top of the tower from the cyclist.

$59.0^\circ$
$31.0^\circ$
$40.0^\circ$
$65.0^\circ$

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