Question

ENEM 2015 ADAPTADO. Questão de Geometria

Answer 1

Resposta:

a

$2 \times \pi \times {3}^{2} = 56.52 {km}^{2}$

b

$\pi \times {6}^{2} = 113.04 {km}^{2}$

c

$113.04 - 56.52 = 56.52 {km}^{2} \\ \frac{56.52}{56.52} = 1 = 100\%$