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Find The Total Surface Area And Whose Height is 15 Cm and the Radius of the Base is 7 Cm. - Mathematics

Short Note

Find the  total surface area and   whose height is 15 cm and the radius of the base is 7 cm. 

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Solution

\[ \text{ Given: } \]
\[\text{ Height, h = 15 cm } \]
\[ \text{ Radius, r = 7 cm } \]
\[\text{ Total surface area, } S_2 = 2\pi r\left( r + h \right)\]
\[ = 2 \times \frac{22}{7} \times 7 \times \left( 7 + 15 \right)\]
\[ = 44 \times 22\]
\[ = 968 {\text{ cm } }^2 \]

 

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APPEARS IN

RD Sharma Class 8 Maths
Chapter 22 Mensuration - III (Surface Area and Volume of a Right Circular Cylinder)
Exercise 22.2 | Q 6.2 | Page 25
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