loressa

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Answers

The following answers were posted by visitors named loressa.

formula of a cylinders surface area: 2Πrh + 2Πr ^2 OK LETS START 1st part of equation ( 2Πrh ) 2 x Π x r x h 2 x 3.14 x 4 x 12.4 = 311.488 2nd part of equation ( 2Πr ^2 ) 2 x Π x (r^2) 2 x 3.14 x (4^2) 2 x 3.14 x (16) 6.28 x 16 = 100.48 Now add them: 311....