Question

A bird fountain is located 6 m from the base of Joey's apartment building. From his window, Joey can see it at a 51° angle of depression.

To the nearest tenth of a meter, how far up the building is Joey's window?


Question 5 options:


4.9 m



7.4 m



7.7 m



9.5 m

Answer 1

Answer: 7.4 m

Explanation:

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Answer 2

h = 7.4 m

Explanation:

Given that,

A bird fountain is located 6 m from the base of Joey's apartment building.

The angle of depression is 51°.

Let Joey's window is at a distance of h from the building. Using trigonometry to find it such that,

So, the correct option is equal to (b).