A 30-ft ladder leans against a building so that the angle between the ground and the ladder is 81°. How high does the ladder reach on the building? ft

Q: You want to reach a window that is 8.5 feet off the ground. You have a 10 foot ladder. What will the…

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Q: Suppose a 6-foot ladder is leaning against a building, reaching to the bottom of a second-floor…

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Q: A group of students estimated the height of a building. They stood at point C which is 25 meters…

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Q: A carpenter leans a ladder against the roof of a building. The ladder just meets the roofline. The…

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Q: A kite is 50 feet high when 170 feet of string is out. What angle does the kite make with the ground…

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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.