a table lamp is in the shape of frustrum top and bottom radio are 2 cm and 5 cm and whose hight is 4 cm,find the total area to be painted
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1
Answer:
volume of frustum =1/3πh(R^2+r^2+R*r)
1/3*22/7*4(2*2+5*5+5*2)
=205.33cm^3
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0
Answer:
642595+564945-5545485288×56565
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