A ramp to the roof top parking lot of a building forms an angle of 15° with the ground and extends at a horizontal distance of 65 feet toward a building. Two support pillars are to be placed at 20 foot intervals from the building, as shown in the diagram below. Solve for x. Roof top parking lot Building pillars 15° E20 ft+ 20 ftH 65 ft O 12.1 ft O 6.7 ft O 17.4 ft O 5.4 ft

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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.