piramide
hpi = 4,0 cm
volume Vpi = 48 cm^3
area base Abpi = Vpi*3/hpi = 48*3/4 = 36 cm^2
raggio cerchio r = (√Abpi) /2 = 6/2 = 3,0 cm
perimetro base 2ppi = 6*4 = 24 cm
apotema a = √r^2+hpi^2 = √3^2+4^2 = 5,0 cm
area laterale Alpi = 2ppi*a/2 = 12*5 = 60 cm^2
cilindro
area larerale Alci = π*6*5 =
area solido As = Alpi+Abpi+Alci = 60+36+30*3,1416 = 190,25 cm^2