rosesofthewinte rosesofthewinte

11-01-2017
Mathematics

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A small silver dollar pancake served at a restaurant has a circumference of 2pi inches. A regular pancake has a circumference of 4pi inches. Is the area of the regular pancake twice the area of the silver dollar pancake? Explain.

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SiobhanSullivan SiobhanSullivan

11-01-2017

if the circumference is 2[tex] \pi [/tex], the radius is 1 because the diameter is 2. Area = [tex] \pi [/tex][tex] r^{2} [/tex].

2[tex] \pi [/tex]: A ≈ 3.14

4[tex] \pi [/tex]: A = 12.56

No, it is not twice the area of the smaller circle

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