The given figure can be divided in two parts 1) Square with side 7 in 2) A right triangle with base 12 in and height 7 in.
1) Area of square =

Side of the square is 7 in.
Area =

2) Area of triangle =

Area of triangle =

Area of polygon= Area of square+ Area of triangle
Area of polygon = 49+42 =91 square in.
Area =
