Question

Please help! medal.

Answer 1

@jhonyy9

Answer 2

how you think it please ?

Answer 3

total surface area will be lateral area plus 2 time top and bottom circle area

yes ?

Answer 4

Alright.

Answer 5

so than ?

Answer 6

the lateral area of a cylinder ?

Answer 7

@praty9 do you know it for medal ?

Answer 8

Please give me the formula.

Answer 9

lateral area = perimeter of circle indifferent from the top or bottom time height of cylinder

right @praty9 ?

Answer 10

\[A=2πrh+2πr ^{2}\]

Answer 11

4.4 is the lateral ?

Answer 12

Here r = 8/2 = 4
h = 18
Solve for A now

Answer 13

176

Answer 14

@praty9 ATTENTION please there have wrote in function of pi - right ?

Answer 15

so ????

Answer 16

Yes the answer "C"
\[176π\]

Answer 17

Thanks guys :)

Answer 18

was our pleasure sure anytime

good luck

Answer 19

give medal please to @praty9 that i have get to you - ok. ? thank you