Aabcd=441cm DE=EA
Domande: Perimetro colorato
Area colorata
AB = BC = √441 = 21 cm
perimetro 2p = 3*21+3,1416*10,5/2 = 79,49 cm
area A = 21^2-10,5^2*3,1416/4 = 354,41 cm^2
Home
Profilo
Menu