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Finding the Surface Area of a Half Cylinder.
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Steps:
1. Find the radius of the half cylinder. Simply divide the diameter by 2 (recall that the radius is equal to half the diameter).
2. Using the known values, solve for the area of the front semicircle using the area of a semicircle formula (1/2 x πr^2).
3. Next solve for the rectangular bottom area using the area of a rectangle formula (length x width).
4. Now we solve for the surface area of the cylindrical curved surface using the surface area of a cylinder formula (2πrh). Since this is a half cylinder we use the formula (1/2 x 2πrh).
5. Finally, add all of the areas together.
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