The diagram shows the shadows cast by a tall building at two different times of day. In the diagram, BDrepresents the tall building, and AD and CD represent the shadows. B 250 m D 100 m C IfmZBAD = 20°, AD = 250 meters, and CD = 100 meters, find the approximate lengths of BD and AB, and the approximate measure of ZBCD. Choose all that are correct. A. BD 85. 5 meters B.O AB 264. 2 meters с. AB - 266. 0 meters D. BD 91.0 meters E. MZBCD 2 42. 3° F. MZBCD 58. 8°

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A:

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A:

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.