A hemispherical dome of stupa needs to be painted.if radius of dome is 21cm
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determine whether the following numbers are in proprotion or not:
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Curved surface area=2.pi.r^2
=2.22/7.21.21
=2772cm^2
The surface area is 2772 cm
=2.22/7.21.21
=2772cm^2
The surface area is 2772 cm
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