The diagram shows a closed structure in the shape of a half-cylinder. The diameter of each base is 16 feet. The length of the structure is 50 feet. Find the surface area of the entire structure.

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

I'm confused on this could anyone me and show me what i need to do to solve it.

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