If i’m seeing correctly, the cursor is covering a number for the measure of angle BCD. assuming that ABE is the same, as it looks, then it should be the number your cursor is covering.
Answer:
Area of the shaded region = 
Step-by-step explanation:
Area of the Shaded region= Area of rectangle - Area of the triangle
Area of the rectangle= Length * breadth

Putting the values in the formula
Area of the rectangle :

Area of the Triangle = 
Base of triangle= 20 inches , Height of the triangle = 10 inches
Area of triangle 
Area of the shade region:
