2p = 66 = 2lo+5lo/3 = 11lo/3
lo = 66/11*3 = 6*3 = 18 cm
base b = 18*5/3 = 30 cm
altezza h = √lo^2-(b/2)^2 = √324-225 = √99 = 9,950 cm
area A = b*h/2 = 9,950*15 = 149,25 cm^2
@einstein2-0 👍
Home
Profilo
Menu