m=muchia laterala
l=latura bazei
h=inaltime
ap=apotema piramidei
ab=apotema bazei
r=raza
Al=aria laterala
Ab=aria bazei
Pb=perimetrul bazei
V=volumul
ap=√(h²+ab²)
m=√(h²+r²)
a₃=r/2
a₄=r√2/2
a₆=r√3/2
l₃=r√3
l₄=r√2
l₆=r
[tex]\sf A_l=\frac{P_b*a_p}{2}[/tex]
[tex]\sf A_t=\frac{P_b(a_p+a_b)}{2}[/tex]
[tex]V=\frac{A_b*h}{3}[/tex]
