13-06-2017
Mathematics

contestada

Classify the area of a circle with a radius of 0.75 centimeters as either rational or irrational.

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pingwin09 pingwin09

13-06-2017

Area of a circle:
A = πr²

Irrational number:
A = π(0.75 cm)² = (9π)/16 cm²

Rational number:
A = 1.77 cm²

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