IDNLearn.com: Where curiosity meets clarity and questions find their answers. Receive prompt and accurate responses to your questions from our community of knowledgeable professionals ready to assist you at any time.
Answer: I think it is 521 inches cubed
Step-by-step explanation:
First, I found the surface area of the shape on the bottom. Then I did the same thing for the shape on the top and added them together. But I noticed there was one side on the top shape that I had to subtract from the total. That is how I got 521. But I'm not sure.