"rdkehadest" - 1 õppematerjal

Pöördkehad

Pöördkehad  Silinder Sp = *r² Sk = 2**r*h St = 2*Sp+Sk = 2**r²+2**r*h V = Sp*h = *r²*h  Koonus Sp = *r L = 2**r Sk = *r*m = ½*C*m St = Sp+Sk = *r²+*r*m V = *Sp*h = **r²*h  Kera S = 4**R² V = 4/3**R³