To find the distance from the house at A to the house at B, a surveyor measures the angle ACB, which is found to be 10°, and then walks off the distance to each house, 90 feet and 100 feet, respectively. How far apart are the houses? 100 ft 90 ft 10° The houses are feet apart. (Round to the nearest hundredth as needed.)

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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.