Question

Calcule a área das figuras.​

Answer 1

Resposta:

a) 1600 cm²

b) 13,5 cm²

c) 12 m²

d) 12 cm²

Explicação passo-a-passo:

$a)\ 40 cm*40cm=1.600cm^2\\b)\ 4,5cm*3cm=13,5cm^2\\c)\ 6m*1m+2m*3m=6m+6m=12m^2\\d)\ 3cm*3cm+2cm*1cm+1cm*1cm=9cm+2cm+1cm=12cm^2$