jacobesuph jacobesuph

12-05-2017
English

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The diagram represents the circular floor under the dome of a state capitol building. The diameter is 40 ft. Find the circumference of the floor. Approximate as 3.14.

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rscottfy10 rscottfy10

12-05-2017

C = 125.6
(The circumference of a circle can be expressed by the formula C = 2 * pi * r. In this case, pi = 3.14 and r = 20.)

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daverydoo13 daverydoo13

12-05-2017

2512 because the formula for the circumference is 2*pi (or 3.14 in your case)*r (radius) and an exponent on the r

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