Question
Figure L is a rectangular piece of paper measuring 28 cm by 18 cm. Charlie folded the paper along the dotted line to form Figure M. What is the area of the shaded part of the paper?
4 m

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Figure L is a rectangular piece of paper measuring 28 cm by 18 cm. Charlie folded the paper along the dotted line to form Figure M. What is the area of the shaded part of the paper?