The possible area of the region that is shaded is given as 462cm.
How to solve for the area of the shaded region
The picture here shows us two rectangles.
The area of a rectangle is given as L * w
= length x width
We have to find the area of the first rectangle
21cm x 42cm
= 882 cm
Next we find the area of the rectangle inside
15cm x 28cm
= 420
To get the area of the shaded region
= 882 - 420
= 462cm
Read more on the area of a rectangle here:
https://brainly.com/question/2607596
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