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Mathematics 11 Online
OpenStudy (aaronandyson):

The internal and external diameters of a hollow hemisphereical vessel are 21 cm and 25.2 cm respectively.Find the cost of painting it,all over,at the rate of $1.50 per cm^2

OpenStudy (aaronandyson):

@hartnn @ganeshie8 @butterflydreamer

OpenStudy (anonymous):

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