Ask a New Question
Search
Questions and answers by
loressa
Answers (2)
i put 217
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: