The diagram shows a water trough in the shape of a half cylinder. The height is 2.49 m and radius is 0.92 m.

Find the surface area of the outside of this water trough.

Round your answer to two decimal places.
Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: The diagram shows a water trough in the shape of a half cylinder. The height is 2.49 m and radius is 0.92 m.

Find the surface area of the outside of this water trough.

Round your answer 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: The diagram shows a water trough in the shape of a half cylinder. The height is 2.49 m and radius is 0.92 m.

Find the surface area of the outside of this water trough.

Round your answer to two decimal places.