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Manuel incorrectly claimed that the surface area of the cylinder shown is about 417.6 in.2. Use a formula to find the surface area of the cylinder. Use 3.14 for a. What was his likely error?Part AThe surface area of the cylinder is about ___ in.2.Part BWhat was his likely error?

Manuel Incorrectly Claimed That The Surface Area Of The Cylinder Shown Is About 4176 In2 Use A Formula To Find The Surface Area Of The Cylinder Use 314 For A Wh class=

Sagot :

[tex]\begin{gathered} Surface\text{ area of cylinder = 2}\pi r^2\text{ + 2}\pi rh \\ \text{given, }\pi\text{ =3.14, r = }\frac{7}{2}\text{ = 3.5in, h = 19in} \\ \text{therefore;} \\ \text{Surface area of cylinder = 2 }\times\text{ 3.14 }\times3.5^2\text{ + 2 }\times\text{ 3.14 }\times\text{ 3.5 }\times\text{ 19} \\ \text{Surface area of cylinder = 76.93 + 417.62} \\ \text{Surface area of cylinder = 494.55in}^2 \end{gathered}[/tex][tex]undefined[/tex]

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