The answer is D 972cm.
There are two triangles each 54cm squared (9x12/2= 54)
There is one 24x15 rectangle which equals 360cm(2)
There is also one 24x12cm rectangle that equals 288cm(2)
The last shape is a 9x24 rectangle which equals 216cm(2)
54 + 54 + 360 + 288 + 216 = 972cm(2)
