Question

Oblicz objetosc czworoscianu foremnego gdy H(wysokosc ostroslupa) wynosi 6 cm. ? Plisss !

Answer 1

H=6cm

H=a√6/3

a√6/3=6cm

a√6=18

a=18√6/6

a=3√6cm

 

v=a³√2/12

v=(3√6)³√2/12

v=162√6√2/12=162√12/12=324√3/12=27√3cm³