[tex]diameter\ \ d= 14\ cm \\radius:\ \ r=\frac{d}{2}=\frac{14}{2}=7\ cm\\ height :\ \ h= 22\ cm \\ \pi=3,14\\\\The \ Cylinder \ Area \ Formula:\\\\A=2 \pi r^2+ 2 \pi r h\\\\A=2 \pi*7^2+2 \pi*7*22=98\pi+308\pi= 406\ \pi \ cm^2 =\\\\=406*3,14 =1274.84\approx 1275\ cm^2 \\\\Answer:\ \ Area \ of \ the \ material \ of \ which \ is \ it \ made \ is \ 1275 \ cm^2[/tex]
