12. A can of fruit juice shaped like a cylinder has a radius of 7 cm and a height of 25 cm. Find the area of the material of which it is made.
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12. A can of fruit juice shaped like a cylinder has a radius of 7 cm and a height of 25 cm. Find the area of the material of which it is made.
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Answer:
1407.44
Step-by-step explanation:
[tex] \boxed{ \begin{array}{c}\sf{}A=2\pi \: r \: h + 2\pi \: r {}^{2} \\ \\ \sf{} A=2\pi(7)(25) + 2\pi(7) {}^{2} \\ \\ \sf{}A=2\pi175 + 2\pi49 \\ \\\sf{}A=1099.56 + 307.88 \\ \\ \boxed{ \boxed{ \sf{}A=107.44}} \end{array}} \\ \\ \\ [/tex]
[tex] \tiny \boxed{ \red{\ddot\smile}} [/tex]