Question

me ajudem por favooor​

Answer 1

ADF

$4.Area} =\pi r^{2}=3,14.6^2=113,04 \\\\Area=28,26km^2$

EBC

$Area = \frac{bh}{2}=\frac{6.6}{2} =18km^2$

ABCD

$Area=15.6=90km^2$

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Área verde = 90 - 18 - 28,26 = 43,74km^2