The angle of elevation to the top of a building from a point on the ground is 22°. If the building is 168 meters tall, how far to the nearest tenth of a meter, is the point on the ground from the base of the building?

Q: ground

A: In a right angled triangle:- Tan X = Perpendicular/Base

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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.