Question
BCDE is a rectangular piece of paper with a perimeter of 134 cm. BC is 51 cm and point F is the mid-point BE. It is folded along the dotted line as shown in Figure 1. What is the area of the shaded triangle?
2 m

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BCDE is a rectangular piece of paper with a perimeter of 134 cm. BC is 51 cm and point F is the mid-point BE. It is folded along the dotted line as shown in Figure 1. What is the area of the shaded triangle?