Math, asked by prashantdnath, 1 year ago

Tell me questions 10

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Answered by nikitagarg9
1
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hope the attachment will help u
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prashantdnath: Thank you very much
Answered by TPS
0

\frac{R_1}{R_2} = \frac{4}{3}\\ \\ \frac{H_1}{H_2} = \frac{5}{6}\\ \\ \frac{CSA_1}{CSA_2} = \frac{2 \pi R_1 H_1}{2 \pi R_2H_2}\\ \\ \Rightarrow \frac{CSA_1}{CSA_2} = \frac{R_1}{R_2} \times \frac{H_1}{H_2} \\ \\ \Rightarrow \frac{CSA_1}{CSA_2} = \frac{4}{3} \times \frac{5}{6}\\ \\ \Rightarrow \frac{CSA_1}{CSA_2} = \frac{20}{18}  \\  \\ \Rightarrow  \boxed{ \red{ \frac{CSA_1}{CSA_2} = \frac{10}{9} }} \\  \\ \Rightarrow  \boxed{ \red{ CSA_1 : CSA_2 = 10 : 9}}
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