Pls
1.
a) Calculati diagonala unui paralelipiped dreptunghic cu lungimea 12m , latimea 5m si inaltimea 13radical3 m
b)o prisma hexagonala regulata are toate muchiile de 11cm. Calculatia aria laterala a prismei .

1

Răspunsuri

2014-04-29T22:18:51+03:00


a)

d²=l²+L²+h²

d²=5²+12²+(13√3)²

d²=25+144+507

d²=676

d=√676

d=26

b)

Al=h*Pb

Pb=6*11

Pb=66

h=11

Al=66*11

Al=726

sper ca te-am ajutat