EXCURCIÓ A VILASSAR

FORMULA=2TTr                         V=Ab.h

                                                      V=25'68.18=385'20m3

                                                       A=TTr2=3'14.2'86.2'86=25'68m2

                                                         AREA TOTAL =421'36m2

L=18

L = 2TTR

18 = 2.3'14.r

r=18:6'26=2'68m

r=2'68

D=5'72