A right angle cylinder just encloses a sphere if the height of cylinder is 21cm then find the curved surface area of cylinder
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The curved surface area of the cylinder is 2079 cm²
Step-by-step explanation:
Given data:
Height of the cylinder = 21 cm
Diameter of the cylinder = 21 cm
the radius of the cylinder = d /2 = 10.5 cm
Now ,
Surface area of the cylinder =2πr(r+h)
=2×22/7×105/10(10.5+21)
=2079 cm²
Thus the curved surface area of the cylinder is 2079 cm²
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