I need help with a geometry problem

label Mathematics
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Nov 12th, 2015

Thank you for the opportunity to help you with your question!

We get the height of the cone

h2 = l2 – r2

h2 = 2.12 – 1.72

h = Sqrt (1.52)

h  = 1.23

r = 1.7

S/A =  π r ( r + Sqrt ( r2 + h2 ) )

S/A = 20.28566

S/ A = 20. 29


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Nov 12th, 2015

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