While sightseeing in Seattle, you visit the Space Needle. From a point 178 feet from the structure, you measure the angle of elevation of the top of the structure. If the angle is 73.61°, how tall (to the nearest foot) is the Space Needle?
Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
While sightseeing in Seattle, you visit the Space Needle. From a point 178 feet from the structure, you measure the
From a point 178 feet from the structure, the angle of elevation of the top of the structure is 73.61°.
To find the height of the structure :
The problem is illustrated in the following figure :
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