Question

The radius of base of a cylinder is 10cm and height is 14cm, then curved surface area of Cylinder is __________ sq.cm. (1 Point) a]140 b] 880 c] 24 d] 120​

Answer 1

Answer:

b) 880

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Answer 2

⇝Given :

• Radius of base = 10cm
• Height = 14cm

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⇝To Find :

• Find the curved surface area of Cylinder.

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⇝Solution :

❒Formula for CSA of Cylinder :

${\red{\bigstar \: \: {\orange{\underbrace{\underline{\bf{CSA = 2 \times π \times r \times h}}}}}}}$

❒Here :

⌬CSA = ?

${\sf{⌬π = \frac{22}{7} }}$

⌬R = 10cm

⌬H = 14cm

❒Solving starts :

${\twoheadrightarrow{\sf{CSA = 2 \times π \times r \times h}}}$

${\twoheadrightarrow{\sf{CSA = 2 \times \frac{22}{\cancel{7} } \times 10 \times {\cancel{\cancel14}}}}}$

${\twoheadrightarrow{\sf{CSA = 2 \times 22 \times 10 \times 2}}}$

${\large{\purple{:{\mapsto{\underline{\boxed{\bf{880 cm³}}}}}}}}</u></p><p></p><p><u>[tex]{\large{\purple{:{\mapsto{\underline{\boxed{\bf{880 cm³}}}}}}}}$

❒So,

${\red{\underline{\green{\underline{\boxed{\mathfrak{B(b) \: option \: is \: correct.}}}}}}}$

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