A pizza is missing a slice. The radius of the pizza is 10 cm and the measure of the arc around the pizza that has not been eaten is 300°. Determine the length of the arc around the part of the pizza that has not been eaten yet. 300° R=10 cm What do I know? What do I need to know? How will I get there? Solution? measure of arc= Arc Length= measure of arc/360 *2*pi*r Pizza Arc Length = 0/360 *2pi*() Pizza Arc 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.