Question

o prisma triunghiulara regulata are toate muchiile de lungime 4 cm . Volumul prismei este de?
Dar va rog sa apara toti pasi problemei

Answer 1

$V=A_b*h \\\\ A_b= \frac{l^2\sqrt{3}}{4} \\\\\\ A_b= \frac{4^2\sqrt{3}}{4}= \frac{\not16\sqrt{3}}{\not4}= 4\sqrt{3} \\\\ h\to 4 \\\\\\ V=4\sqrt{3}*4 \\\\ \boxed{V=16\sqrt{3} \ cm^3}$