Answer:
64
Explanation:
Hello! So area's pretty much base times height ( b * h )
So let's chop of that awkward 5 cm pice. So it's just a 12 *4.5 piece, and a smol 2 by 5 piece.
So add these together.
2*5=10
and
12 * 4.5 = 54
So 10 + 54 is 64.
hope this helps and have a great day! :)