Arii si volume corpuri geometrie in spatiu

Question 1

Trunchi de piramida Tri regulata

Answer 1

A = 3 * (BC+B’C’)M’M/2
V=OO’/3 * (Ab + AB + ABAb)

Question 2

Trunchi de piramida Patr regulata

Answer 2

A = 4* (BC+B’C’)M’M/2
V= OO’/3 (AB+Ab+AB*Ab)

Question 3

Trunchi de piramida Hex regulata

Answer 3

A=6* (BC+B’C’)MM’/2
V=OO’/3 (AB+Ab+Ab*AB)

Question 4

Cilindru

Answer 4

Al = RG2pi
V=HR^2*pi

Question 5

Con

Answer 5

Al=RGpi
V=HR^2pi/3

Question 6

Trunchi de con

Answer 6

Al=Gt * pi * (R+r)
V= OO’/3pi(R^2 + r^2+R*r)

Question 7

Sfera

Answer 7

A=4piR^2
V=4piR^3/3