The diagram shows the side of a small shed with vertical walls of equal height and a roof that is formed by two slanted sections. The shed is 15 feet wide and the two sections of the roof measure 5 feet and 12 feet. Find, to the nearest degree, the measure of the angle between the two sections of the roof. 12 15

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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.