First, find the area of the big rectangle:
A=lw
A= 17*20
A=340 cm^2
Next, find the area of the trapezoid.
A=base1+base2. *H
———————-
2
A=6+12
———- * 6
2
A= 54 cm^2
Now, subtract the area of the trapezoid from the bigger rectangle.
340-54=286
So, the shaded area is 286 cm^2. That’s ur answer!
