“a person standing on the level ground is 2,000 feet away from the foot of a 420-foot-tall building,as shown in the accompanying diagram. To the nearest tenth of a degree, what is the measure of angle x?

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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.