Răspunsuri

2014-11-15T19:06:32+02:00
R = ip/2
r = 10/2 = 5
A = pi * r patrat
A = pi * 5 patrat
A = 3,14 * 25 cm patrati
Daca vrei calculeaza.
2014-11-15T19:13:28+02:00
Ipotenuza=diametrul deci raza e 5 cm iar aria e 25pi