Since the ratio is 3:4 there are a total of 7 parts. Divide the 581by 7 to find that each part is 83.
Answer:
hey you forgot the picture this time bud
I believe that the answer is 1845
the surface area of the cube is 1350
the surface area of the pyramid is 495
the total surface area is :

good luck
The answer is 3. I hope this help!