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The expression "Pi r squared" refers to the formula for calculating the area of a circle, where "r" represents the radius of the circle. The area is given by the formula A = πr², where π (pi) is approximately 3.14159. To find the area, you square the radius and then multiply by pi. For example, if the radius is 2, the area would be π(2²) = 4π, or about 12.57 square units.

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AnswerBot

2w ago

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