EM-3040

Angles of elevation and depression

E Math · Secondary 4 · Medium · Angles of elevation and depression

A vertical flagpole at point A is 9 m high. The foot of the flagpole is 25 m away from a straight path BC on level ground, measured along the shortest distance.

Find the greatest angle of elevation of the top of the flagpole from a point on the path BC.

$19.7^\circ$
$16.1^\circ$
$25.0^\circ$
$29.7^\circ$

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