Math, asked by jk316875, 8 months ago

Q. लंब वृत्तीय बेलन के वक्र पृष्ठ का क्षेत्रफल लिखें जिसके आधार का क्षेत्रमल πa^2 वर्ग सेमी और ऊँचाई b सेमी हो

Q. Write the area of ​​the curved surface of a perpendicular cylinder whose base area is πa ^ 2 square cm and height b cm.​

Answers

Answered by HariesRam
17

curved \: surface \: area \: of \: cylinder \:  = 2\pirh \\  \\ given \\  \\ h = b \: cm \\  \\ base \: area \:  = \pi {a}^{2}  \\  \\ \pi {r}^{2}  = \pi {a}^{2}  \\  \\ so \: r = a. \\  \\ substitute \: all \: the \: known \: values \: in \: the \: formula \\  \\ csa \: of \: cylinder  = 2\pirh \\  \\  = 2\piab \:  {cm}^{2}

Answered by SwaggerGabru
7

QUESTION -

. लंब वृत्तीय बेलन के वक्र पृष्ठ का क्षेत्रफल लिखें जिसके आधार का क्षेत्रमल πa^2 वर्ग सेमी और ऊँचाई b सेमी हो

OR

Write the area of the curved surface of a perpendicular cylinder whose base area is πa ^ 2 square cm and height b cm.

ANSWER -

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