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30 Ιουλ 2024 · Learn how to calculate the area of a circle using radius or diameter with this online tool. Find the formula, examples, and applications of the area of a circle in mathematics and everyday life.
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Learn how to calculate the area of a circle using the formula A = πr2, where r is the radius and π is pi. See the derivation of the formula using rectangles and triangles, and find examples and FAQs on the topic.
Learn how to calculate the area of a circle using the formula A = πr2 or A = (π/4) × D2. Use the online calculator to find the area, radius, diameter or circumference of a circle.
Learn how to calculate the area of a circle using the formula A = πr 2 or A = πd 2 /4, where r is the radius and d is the diameter. See the derivation, examples, and real-life applications of the area of a circle.
Learn how to calculate the area of a circle using the formula A = πr2, where r is the radius and π is the constant ratio of the circumference to the diameter. Explore the history, proofs, and properties of this geometric formula.
Learn how to find the area of a circle using its radius, diameter or circumference with formulas and examples. See how to use a calculator, convert units and compare methods.
Learn how to calculate the area of a circle using the formula πr2, where r is the radius. See diagrams, examples, practice problems and interactive applet.
