How much area is left over

Answer:
I won't tell you the answer but I'll tell you how to do it
first, find the area of the rectangle (lxw)
Next, find area of the triangle (BxHx.5)
Then, subtract the area of the rectangle to the area of the triangle
Sorrryyyyy iiiiiiiii nnnnnneeeeeeeeeeeeedddddd points
Step-by-step explanation: