The area of this polygon is 14 units on a coordinate plane.
What is area of rectangle?
Area of rectangle is defined as product of the length and width.
Length of large rectangle = 5 units
width of large rectangle = 4 units
Length of small rectangle = 3 units
width of small rectangle = 1 unit
Required area of polygon = large rectangle - 2 × small rectangles
Required area of polygon = 5×4 - 2×(3×1)
Required area of polygon = 20-6
Required area of polygon = 14 units
Hnece, the area of this polygon is 14 units on a coordinate plane.
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