Respuesta :

Answer:

[tex]2~cm[/tex]

Step-by-step explanation:

[tex]Let ~ b~ be ~ base[/tex]

[tex]Area=\frac{1}{2} bh\\[/tex]

[tex]12=\frac{1}{2}b(12)[/tex]

[tex]b=2[/tex]

-----------------

hope it helps...

have a great day!

ACCESS MORE