A flat shape is folded along a dashed center line so that the left half lands exactly on the right half. The result is a shape half the width of the original. If the original was a rectangle 8 cm wide and 5 cm tall, what are the dimensions of the folded shape?
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A
4 cm wide and 5 cm tall
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B
8 cm wide and 2.5 cm tall
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C
4 cm wide and 10 cm tall
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D
2 cm wide and 5 cm tall