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Area of a Circle - Equation to Diameter - Squared Values (Level 1)

This math topic focuses on calculating the diameter of a circle given its area, expressed in terms of π (pi) times a squared value. The problems require understanding the formula for the area of a circle (A = πr^2) and manipulating it to solve for the circle’s diameter. Questions are presented with multiple-choice answers, testing the ability to reverse-engineer the area equation to derive the diameter. This requires basic algebraic skills and a grasp of geometric principles concerning circles, enhancing students' ability to apply theoretical knowledge practically.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

Circle - Equation to Diameter - Squared Values

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Given this equation for the area, what is the diameter of this circle

π81\pi \cdot 81