Answer:
17cm^2 (17cm squared)
Explanation:
you would split it up into 2 rectangles so ...
1 rectangle has the length and height of 4cm and 3 cm
and the other rectangle has a length and height of 5cm and 1cm
then you would do
4x3 which is 12cm^2
and 5x1 which is 5cm^2
add them together to get the answer of 17cm^2