A vertical flagpole of height $17$ m stands at one corner of a rectangular field measuring $50$

Question

A vertical flagpole of height $17$ m stands at one corner of a rectangular field measuring $50$ m by $21$ m. Calculate the diagonal length of the field. Calculate the angle of elevation of the top of the flagpole from the opposite corner, giving your answer correct to 1 decimal place.

Accepted Answer

(a) $54.231$ m; (b) $17.4^\circ$.

Sec 3/4 E Math Mock 1-Q13 - Mock Paper 1: A three-dimensional trigonometry problem

Sec 3/4 E Math Mock 1-Q13 - Mock Paper 1: A three-dimensional trigonometry problem

Solution:

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