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High School Placement Test Prep

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Verna’s Canned Vegetables, Inc. wants the color of each can of vegetables to be blue, including the bottom and the top. If the diameter of the lid (l) is 5 cm, and the height of the can (h) is 9 cm, what is the approximate total surface area for each can that needs to be colored blue?
  1. 166.8 cm²
  2. 166.8 cm³
  3. 180.6 cm²
  4. 180.6 cm³
Explanation
Answer: C -The approximate total surface area for each can is 180.6 cm². You would find the entire surface area by adding the surface area of each end to the surface area of the side. The formula for the entire surface area of a cylinder is 2?r² + 2?rh.
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