A tower is 79 meters high. At a bench, an observer notices the angle of elevation to the top of the tower is 33 °. How far is the observer from the base of the building? about 51 m about 94 m about 122 m about 145 m Back Next

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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.