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6 April, 09:55

The formula for the area of a circle is A = pie r 2. Classify the area of a circle with a radius of 0.75 centimeters as either rational or irrational

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  1. 6 April, 09:57
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    It is irrational.

    A = π r^2 = π[3/4 cm]^2 = 9π/16 cm^2

    An irrational number (Pi in this case) multiplied by a rational number (9/4) gives an irrational number.
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