So.... First find Area of the whole rectangle...
L=22+17=39cm
W=15+5=20cm
A=2039
=780cm^2
Then find the areas of the two small spaces and subtract from the whole are.
A=95=45cm^2
A=17*5=85cm^2
45+85= 130cm^2
Then subtract:
780cm^2-130cm^2= 650cm^2
Answer: 650cm^2
