Answer:
202.5mm^2
Step-by-step explanation:
15x9= 135mm^2 (area of rectangle)
15-9=6
9÷2= 4.5
4.5x15= 67.5mm^2 (area of triangle)
135+67.5= 202.5mm^2 (total area)
answer is 202.5mm^2
