Question

qual e a metade da area do circulo cujo diametro mede 12 metros?

Answer 1

$> resolucao \\ \\ \geqslant area \: do \: circulo \\ \\r = \frac{d}{2} \\ r = \frac{12}{2} \\ r = 6m \\ \\ a = \pi \: . \: r {}^{2} \\ a = \: \pi \: . \: 6 {}^{2} \\ a = \: \pi \: . \: 36 \\ a = \: 36 \: . \: 3.14 \\ a = \: 113.04m {}^{2} \\ \\ > a \: metade \: da \: area \\ \\ > \frac{113.4}{2} \\ > 56.52m {}^{2} \\ \\ > < > < > < > < > < >$