A square rests inside a regular octagon. Each shape has a side length measuring 9 inches.


Find the area of the shaded region, rounded to the nearest square inch.
A.
310 in2
B.
162 ft2
C.
391 in2
D.
229 in2

A square rests inside a regular octagon Each shape has a side length measuring 9 inches Find the area of the shaded region rounded to the nearest square inch A class=