Question 703869
Two parts make the match box.


Rectangular sleeve: Top and bottom are 4*2.5*2 and front and back are 4*1.2*2


Rectangluar inner box:  Top is open, so front and back are 4*1.2*2, left and right sides are 1.2*2.5*2, and bottom is 4*2.5


All of those terms are c.m.^2.  Compute sum.