A latter 13 ft long leans against the side of a building and the angle between the ladder and the building is 30 degrees. What is the distance from the bottom of the latter to the buildings

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A: Form the right triangle and use Trigonometric ratios.

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A: Explanation of the answer is as follows

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.