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6 ημέρες πριν · Measure the diameter of a circle. Measure the circumference of a circle. Measure the area of a circle. We will also demonstrate some practical examples to help you understand how the circle measurement calculations work using this circle measurement tool.
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6 ημέρες πριν · Use the formulas to calculate the circumference and area: c = 2πr and A = πr². The circumference should equal c = 2π × 8 cm = 50.265 cm. The area should equal A = π × (8 cm)² = 201.06 cm². To check your results, input the 8 cm radius in the calculator. The results should also be 50.265 cm and 201.06 cm².
6 ημέρες πριν · Input the radius in the circle area formula: A = π × (3 cm)² = 28.2743 cm². Also, input the radius in the circumference formula: c = 2π × (3 cm) = 18.8496 cm. Check your results with the circle formula calculator. The results should also be 28.2743 cm² and 18.8496 cm for area and circumference.
20 Ιουν 2024 · The circumference of a circle can be calculated using either \(C=𝜋d\) or \(C=2𝜋r\). We know that the diameter of the circle is 8 cm, and an approximation for pi is 3.14, so we can plug these values into the formula \(C=𝜋d\). The formula becomes \(C=(3.14)(8)\), which simplifies to 25.12. The circumference of the circle is 25.12 cm.
26 Ιουν 2024 · Study with Quizlet and memorize flashcards containing terms like LESSON 1 PROPERTIES OF CIRCLES-----, center of a circle, circle and more.
20 Ιουν 2024 · Find the circumference of a circle by multiplying its diameter by pi (π) or doubling its radius and multiplying by pi. C = πd or C = 2πr Ex. What is the circumference of a circle with a radius of 2 cm? C = 2πr = 2π(2) = 4π cm ≈ 12.56 cm
