Question Number 47382 by ajfour last updated on 09/Nov/18
Commented by ajfour last updated on 09/Nov/18
$${The}\:{sides}\:{of}\:{inclined}\:{triangle} \\ $$$${are}\:{p},\:{q},\:{and}\:{r}. \\ $$$${Find}\:{P}\:{G}=\:{h}\:. \\ $$$${The}\:{sides}\:{of}\:{the}\:{prism}\:{box}\:{are} \\ $$$${squares},\:{and}\:{base}\:{equilateral}. \\ $$$${M}\:{and}\:{N}\:{are}\:{contact}\:{points}\:{of} \\ $$$$\bigtriangleup{PQR}\:{with}\:{upper}\:{edges}\:{of}\:{box}. \\ $$