I have a ridiculous number of trees and shrubs that need pruning in my yard. I have a 15 foot ladder and I have found a 70° angle between the ladder and the ground is as steep as I can make it while still being safe when leaning my ladder against the shed or house. How high can the top of my ladder reach?

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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.