Josh and Teresa are standing on a riverbank, 230 meters apart, at points A and B respectively. (See the figure below.) They want to know the distance from Josh to a house located across the river at point C. Josh measures angle A (angle BAC) to be 45°, and Teresa measures angle B (angle ABC) to be 67°. What is the distance from Josh to the house? Round your answer to the nearest tenth of a meter. 230 m 45° 67° meters

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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.