A triangular divider has been placed into a box, as shown in the diagram. The box has sides of length 12cm, 12cm and 17cm. 

Calculate the area of the triangular divider correct to two decimal places.
Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: A triangular divider has been placed into a box, as shown in the diagram. The box has sides of length 12cm, 12cm and 17cm. 

Calculate the area of the triangular divider correct to two decimal places.
Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
Question: A triangular divider has been placed into a box, as shown in the diagram. The box has sides of length 12cm, 12cm and 17cm. 

Calculate the area of the triangular divider correct to two decimal places.