2. A slice of pie is cut out. The radius of the pie is 6 inches and the central angle of the slice of pie is 55°. What is the length of the crust of the slice of pie? What do I know? What do I need to know? Solution? How will I get there? measure of arc= Arc Length= measure of arc/360 *2*pi*r Pie Crust Length=D ( )/360 *2*pi*() Pie Crust Length=

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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.