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12) A cone has a radius of 10 cm. It has a height that is twice as much as its diameter. What is the surface area of the cone? Leave you answer in terms of Pi.
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12) A cone has a radius of 10 cm. It has a height that is twice as much as its diameter. What is the surface area of the cone? Leave you answer in terms of Pi.

User Edymerchk
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Answer:

132. cm is the answer

User Beolap
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