A tunnel is planned through a mountain to connect points A and B on two existing roads, as shown in the figure. If the angle between the roads at point C is 27°, what is the distance from point A to B? Find ZCBA and ZCAB. 3.5 mi 7.8 mi What is the distance from point A to B? mi (Round to the nearest tenth as needed.)

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Q: Photo attached

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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.