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A right cylinder has a radius of 5 and a height of 9. What is its surface area?
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the formula for the surface area of a right circular cylinder is 2B + 2pi rh, where B is the area of the bases (both circles)
I Dont Understand It
what is the circumference of one of the base circles?
circumference times height gives side area and the area of the bases are the areas of their circles; find the area of the circule and times it by 2 then add up all the side and base areas to get the total surface area
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