Two hemispherical domes are to be painted as shown in the adjoining figure. If the circumference...

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Two hemispherical domes are to be painted as shown in the adjoining figure. If the circumferences of the bases of the domes are \( 17.6 \mathrm{~cm} \) and \( 70.4 \) \( \mathrm{cm} \) respectively, then find the cost of painting at the rate of \( ₹ 10 \) per \( \mathrm{cm}^{2} \).
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