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Please find the value of t

Please find the value of t-example-1
User Hiero
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Answer:

Required Answer:-

Given picture is a Cylinder.

  • Where radius r=tcm
  • Height =h=7cm
  • Volume =84cm^3

As we know that in a Cylinder


{\boxed{\sf Volume ={\pi}r^2h}}

  • Substitute the values


{:}\longrightarrow
\sf {\frac {22}{{\cancel{7}}}}* t^2*{\cancel{7}}=84


{:}\longrightarrow
\sf 22×t^2=84


{:}\longrightarrow
\sf 22t^2=84


{:}\longrightarrow
\sf t^2={\frac {84}{22}}


{:}\longrightarrow
\sf t^2=3.81


{:}\longrightarrow
\sf t={\sqrt {3.81}}


{:}\longrightarrow
\sf t=1.95


{:}\longrightarrow
\sf t=2cm (Approx)

User Luddig
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