Question
RSTU is a rectangular piece of paper with a perimeter of 186 cm. RS is 69 cm and point V is the mid-point RU. It is folded along the dotted line as shown in Figure 1. What is the area of the shaded triangle?
2 m

Click button first when a symbol is required. X

RSTU is a rectangular piece of paper with a perimeter of 186 cm. RS is 69 cm and point V is the mid-point RU. It is folded along the dotted line as shown in Figure 1. What is the area of the shaded triangle?