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2-65.

Draw a generic rectangle to help you calculate each product. For each part, write: (total dimension)(total dimension) = sum of individual area parts = total area. For example, the diagram at right shows that . Homework Help ✎

  • Think back to the way you solved the generic rectangles in class. Change 73 to 70 + 3. Change 42 to 40 + 2.

  • Part of the rectangle has been filled in for you.

  • This one is solved just like the one above. Remember to add a hundreds place column.