a can of milk is 12 cm tall and its base has a radius of 4 cm. how much tin material is needed to make the can?
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Given : a can of milk is 12 cm tall and its base has a radius of 4 cm.
To Find : how much tin material is needed to make the can
Solution:
A can of milk is 12 cm tall and its base has a radius of 4 cm.
Its cylindrical
To Find tin material needed to make the can , we need to find Total surface area ( TSA)
TSA of cylinder = 2πr(r + h )
r = 4 cm
h = 12 cm
π = 3.14
TSA of cylinder = 2 * 3.14 * 4 ( 4 + 12)
= 401.92 cm²
material is needed to make the can = 401.92 cm²
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