A 21-ft ladder leans against a building so that the angle between the ground and the ladder is 82°. How high does the ladder reach on the building? ft Question Help: Video Submit Question Jump to Answer

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Q: 70° 54° 6v + 2° V =

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A: Here we use trigonometric ratio, sin θ=opposite side of the anglehypotenuse

Q: solve the triangle  a= 7.656 in  c= 6.129 in  B= 76.78 °

A: Given query is to solve the triangle.

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A: Given angle 190∘

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Q: Which shows an exterior angle?

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A: Find shadow

Q: r+59 84° *+51 A

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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.