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- n°355
- l = 96/4 = 24 cm
- aq = 247*24 = 576cm^2
- ar = 576/4*3 = 432 cm^2
- d = 432*2/32=27
- N°356
- Lato rombo= Area/h= 16920/ 180= 94cm
- Perimetro rompo = 94*4= 376cm
- lato' quadrato= 376/2 :(30+17) *30 = 120cm
- lato'' quadrato = 376/2: /30+17) *17= 68cm
- Area= l' * l'' = 8160cm quadrati
- n°357
- h = (24/8)*7= 21cm
- Area triangolo = 24*21/2= 252cm quadrati
- Area rombo= (252/3)*4=336 cm quadrati
- d=A*2/D= 14cm
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