Solve.
15 ella made a sketch
tre
ade a sketch of an octagonal window on a 27-inch square
o paper. first, she cut 4 identical isosceles triangles from
e corners of the paper. then, she cut a square from the center
of the octagon. each leg of a cut-off triangle is the length of
the paper. the side length of the cut-out square is also į the
length of the paper. what was the area of the sketch after she
removed the triangles and the square?