Question

O piramida patrulatera regulata care are muchia bazei de 10 cm si muchia laterala de 13cm. Apotema piramidei este de...cm?

Answer 1

$ap^{2}$=$13^{2}$-$5^{2}$
$ap^{2}=169-25$
$ap= \sqrt{144} = 12$
Sper ca e bine, a trecut mult timp de la examen :)