Step 1:
\The points on the triangle region are
and
.
Determine the centroid of the triangle formulas are :
and
.
Substitute
and
in above formulas.


If
and
are the two points then the component form of vector
is

If
and
are the two points then the component form of vector
is

Consider
.

Area
.

Area
.
Apply Pappus theorem: Volume
.
Substitute
, Area
in above equation.

Volume
.
Solution :
\The triangle of the area
, and volume
.