Question
QRST is a rectangular piece of paper with a perimeter of 154 cm. QR is 55 cm and point U is the mid-point QT. 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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QRST is a rectangular piece of paper with a perimeter of 154 cm. QR is 55 cm and point U is the mid-point QT. It is folded along the dotted line as shown in Figure 1. What is the area of the shaded triangle?