Question

6. Curved surface area of a right circular cylinder is 4.4 m². If the radius of the base of the cylinder is 0.7 m, find its height.. ​

Answer 1

Answer:

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Answer 2

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Curved surface area of a right circular cylinder is 4.4 m². If the radius of the base of the cylinder is 0.7 m, find its height..

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Radius of cylinder = 0.7m

CSA of cylinder = 4.4m²

$\large\begin{gathered}\\\sf\ \: \boxed{\boxed{ \pink{{ \sf{to \: find}}}}}\end{gathered}$

Height of cylinder

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Let's assume that height of cylinder be x

$\begin{gathered}\sf \implies \: 2 \: \pi \: rh = 4.4m {}^{2} \\ \\ \sf\implies \: 2 \times \frac{22}{7} \times 0.7 \times x= 4.4m {}^{2} \\ \\ \sf\implies \: \frac{30.8}{7} x = 4.4m {}^{2} \\ \\ \sf\implies \: \boxed{\boxed{ \purple{{ \sf{x = 1m}}}}}\end{gathered}$

Therefore, height of cylinder is 1 meter .

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$\bf \: Volume \: of \: cylinder = πr²h \\ </p><p></p><p> \bf \: TSA = 2πrh + 2πr^2 \\ </p><p></p><p> \bf \: Radius(r) = √V/πh$