Answer:
3024u²
Step-by-step explanation:
To find the area of a 2D figure with 4 sides, you have to multiply the length by width. Let's work it out!
Assume that this lovely interpertation of a rectangle has connected sides,
108
I---------I
I----------I 28
The equation for this is 108x28, which is 3024!
Dont forget to add the u² at the end!