nina158 nina158

23-08-2017
Mathematics

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write and evaluate an expression for the area of a circular pizza.

write and evaluate an expression for the area of a circular pizza class=

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ivycoveredwalls ivycoveredwalls

23-08-2017

Area is the PRODUCT (multiply!) of the SQUARE of the radius and pi.

[tex]A=\pi r^2[/tex]

In the diagram, the radius of the pizza is 7 in., so use r = 7.

[tex]A = (3.14)(7^2) = (3.14)(49) = 153.86[/tex] square inches.

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