Respuesta :
A = lw
A = (3 1/4)*(2 1/2) A = (13/4)*(5/2) A = 65/8 A = 8 1/8 ft3
A = (3 1/4)*(2 1/2) A = (13/4)*(5/2) A = 65/8 A = 8 1/8 ft3
your answer is 18. the formula is P=2(l+w) you plug in P=2(3.5+5.5) and you get P= (7+11) P=18
Hopes this helps