Question

ME AJUDEM POR FAVOR URGENTE!!!​

Answer 1

Resposta:

a)

b)

c)

d)

Explicação passo-a-passo:

$a) A=(3.4)+(2.5)\\A= 12+10 \\A= 22 cm^2\\\\b) A=(\frac{2,2.5}{2} )+(7,7.5)\\A=5,5+38,5\\A=44m^2\\\\c) A= (1,1.5)+(1,1.3,3)\\A=9,13m^2\\\\d) A_{pentagono}=\frac{p.a}{2}\\\\A=( \frac{4,2.3,1}{2})+(3,1.3,1)\\A=(\frac{13,02}{2})+9,61\\A= 16,12m^2$