Question

cum se calculeaza aria totala a unie piramide patrulatera regulate cu nanaltimea de 3 cm si latura bazei e de 8 cm

Answer 1

At=Al+Ab
Al=Pb*ap/2
Ab=l²
Ab=64
a4=l/2=8/2=4
a4-apotema bazei
inΔVOM cu O=90
VM=√VO²?OM²
VM=√9+16
VM=5
Al=32*5/2
Al=80
At=80+64
At=144 cm²