Resposta :
Resposta:
Explicação passo a passo:
[tex]A_{(\bigtriangleup)} =\frac{b\:\times\:h}{2}[/tex]
[tex]A_{(\bigtriangleup)} =\frac{13\:\times\:8}{2}[/tex]
[tex]A_{(\bigtriangleup)} =13\times4[/tex]
[tex]A_{(\bigtriangleup)} =52\:cm^{2}[/tex]
Resposta:
Explicação passo a passo:
[tex]A_{(\bigtriangleup)} =\frac{b\:\times\:h}{2}[/tex]
[tex]A_{(\bigtriangleup)} =\frac{13\:\times\:8}{2}[/tex]
[tex]A_{(\bigtriangleup)} =13\times4[/tex]
[tex]A_{(\bigtriangleup)} =52\:cm^{2}[/tex]