triângulo

FONTE DA IMAGEM: http://www.google.com.br/imgres?q=tri%C3%82ngulo&hl=pt-BR&biw=1440&bih=775&gbv=2&tbm=isch&tbnid=ID9NXAg9Wwc_WM:&imgrefurl=http://anelise.pbworks.com/w/page/13000395/tri%25C3%25A2ngulo&docid=IxnPjW764R9icM&imgurl=http://thainaracasas.pbworks.com/f/equilatero.gif&w=460&h=392&ei=zWS1T6PTNIWm8ASw8J0E&zoom=1
ACESSO:17/05/2012