Vaughan Gross
10/08/2023 · Elementary School

Calcula el área de un círculo con circunferencia de 37.68 unidades. \( \square \) unidades \( ^{2} \)

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Para calcular el área de un círculo a partir de su circunferencia, primero utilizamos la fórmula de la circunferencia: \[ C = 2\pi r \] donde \( C \) es la circunferencia y \( r \) es el radio. Dado que la circunferencia es 37.68 unidades, podemos despejar el radio: \[ r = \frac{C}{2\pi} = \frac{37.68}{2\pi} \] Calculamos el valor de \( r \): \[ r \approx \frac{37.68}{2 \times 3.1416} \approx \frac{37.68}{6.2832} \approx 5.99 \text{ unidades} \] Ahora, utilizamos la fórmula del área del círculo: \[ A = \pi r^2 \] Sustituyendo el valor de \( r \): \[ A \approx \pi (5.99)^2 \approx \pi (35.88) \approx 112.56 \text{ unidades}^2 \] Por lo tanto, el área del círculo es aproximadamente: \[ \boxed{112.56} \text{ unidades}^2 \]

Quick Answer

El área del círculo es aproximadamente 112.56 unidades².
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