Resposta :
fórmula .
[tex]S= \frac{b.h}{2} [/tex]
Aplicando :
[tex]S= \frac{12.4}{2} [/tex]
[tex]\boxed{\boxed{S=24~cm^2}}[/tex]
[tex]S= \frac{b.h}{2} [/tex]
Aplicando :
[tex]S= \frac{12.4}{2} [/tex]
[tex]\boxed{\boxed{S=24~cm^2}}[/tex]