230
AH = 6√2
CH = 3 cm
BH = AH^2/3 = 24 cm
BC = CH+BH = 24+3 = 27 cm
cateto AC = √72+3^2 = 9,0 cm
cateto AB = √27^2-81 = 18√2 cm
perimetro 2p = 9(1+3+2√2 = 9(4+2√2) = 18(2+√2)
area 27*3√2 = 81√2 cm^2
231
CH = 32
AC = 40
AB = AH*2 = 2*8√5^2-4^2 = 48 cm
altezza BH = AB*CH/AC = 48*32/40 = 38,4 cm