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Find Circular Areas and Perimeters

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Explanations 1

Circles can be divided into sections, like slices of a pizza. When we cut a slice in a circle, we have created an arc, from point A to point B, along the circumference of the ci…
By Isabella Bailie

Problems 1

Chris wants to buy a circular pizza. He wants to know how much pizza he'd gain by buying a pizza with a radius of r+2r+2r+2 inches vs. rrr inches. Which expression represents th…