QUESTION IMAGE
Question
- find the area. use 3.14 for pi and round your answer. 5 km
Step1: Escribir la fórmula del área del círculo
$$A=\pi r^{2}$$
Step2: Sustituir los valores
Dado que \(r = 5\) km y \(\pi=3.14\), entonces \(A = 3.14\times5^{2}\)
$$A=3.14\times25$$
Step3: Calcular el área
$$A = 78.5$$
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\(78.5\) km²