A structure 3m long has a drain hole that is a semi-circle with diameter 1m. Part A is a rectangle above the hole (1m x 0.75m) and Parts B are two rectangles on either side (dimensions not fully provi

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6.
Assumptions based on the blurry Figure 2:

• The structure is $3 \text{ m}$ long.
• The drain hole is a semi-circle with a diameter of $1.00 \text{ m}$ (radius $r = 0.50 \text{ m}$) and a height of $0.50 \text{ m}$.
• Part A is a rectangular section above the drain hole, with dimensions $1.00 \text{ m} \times 0.75 \text{ m}$.
• Parts B are two rectangular sections on either side of the drain hole, each with dimensions