How tall is a building that casts a 67-ft shadow when the angle of elevation of the sun is 31°? The building is ft tall. (Simplify your answer. Type an integer or a decimal. Round to the nearest hundredth if needed.) 31° 67 ft

Q: Solve for x. Round to the nearest foot. 28 ft 31°

A: Apply trigonometric ratios in the triangle formed

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Q: 10 feet

A: Cosx=base/hypotenuse

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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.