Question 1210601
The big rectangle is 8 x 9.
The top square is 2 x 2.
The quarter-circle on bottom is of area {{{(1/4)*3.14*3^2}}}.
How tall the triangular piece on the right, is {{{9-4-2=3}}}, so that piece is area half of 3 x 3.


Using those should give no complications.