what is the area of this polygon?

35.5

Step-by-step explanation:

For finding the area of this polygon we can divide it into triangles and rectangle,

By the below diagram,

The area of this polygon = Area of rectangle having dimension 4× 3 + Area of triangle having base 4 unit and height 3 unit +Area of triangle having base 7 unit and height 3 unit + Area of triangle having base 7 unit and height 2 unit,

=

=

=

the answer will be b x² +x-1

step-by-step explanation: