Question

2 a.
d = 3.1 cm
Calcula el área del círculo.​

Answer 1

Explicación paso a paso:

$d = 3.1 \\ radio = \frac{3.1}{2} = 1.55$

$area = \pi \: r {}^{2} \\ area = 3.14 \times (1.55) {}^{2} \\ area = 3.14 \times 2.4025 \\ area = 7.54$

Answer 2

Respuesta:

$\begin{lgathered}d = 3.1 \\ radio = \frac{3.1}{2} = 1.55\end{lgathered} </p><p></p><p> \begin{lgathered}area = \pi \: r {}^{2} \\ area = 3.14 \times (1.55) {}^{2} \\ area = 3.14 \times 2.4025 \\ area = 7.54\end{lgathered} </p><p></p><p>$