The equations are
,
on
.
The value of
.
Apply formula for area of the lamina :
.



.
.
Find
.
The moment about the
-axis is
, where
is uniform density of a planar lamina.
Substitute
,
,
and
.








.
.
Find
.
The moment about the
-axis is
.
Substitute
,
,
and
.






.
.
.
.
.