SOLUTION: There is a diagram of a prism, the cross-section of the prism consists of a rectangle and a semicircle. The length is 20cm, width is 5cm and the height is 3 cm. Calculate the tot

Question 944327: There is a diagram of a prism, the cross-section of the prism consists of a rectangle and a semicircle. The length is 20cm, width is 5cm and the height is 3 cm.
Calculate the total surface area of the prism.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
I'm assuming that the diameter of the semi-circle is the length of the rectangle.
The rectangular portion of the prism would have surface area of,

The semi-cylindrical portion of the prism would have a surface area of,

So then the total area is,

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