Answer:
the answer is actually $389.71
Step-by-step explanation:
wheres the picture
Surface area = Area of rectangle + Areas of triangles.
Area of rectangle = 9cm * 15cm = 135cm2.
Areas of triangles = 6cm * 3cm = 18cm2.
Surface area = 135 + 18 = 153cm2
1073
it's simple addition
