Thermal expansion

Two identical circular holes are made in a metallic square sheet, and two tiny points AA and BB are marked next to the holes, as shown in the diagram.

If the temperature of the whole sheet is uniformly raised, then the size of the holes will __________\text{\_\_\_\_\_\_\_\_\_\_} and the distance between AA and BB will __________.\text{\_\_\_\_\_\_\_\_\_\_}.

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