Find the volume and curved surface area of the sphere whose radius is 2.1cm.
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Answered by
2
Answer:
Step-by-step explanation:
Volume 4/3π r^3 =38.77
Surface area = 4π r^2 = 55.39
Where r is radius..
Answered by
4
Answer:
Step-by-step explanation:(I) volume of sphere =(4/3)πr3
Radius is given 2.1cm.
So volume of sphere is (4/3)×22/7×(2.1)3
=38.808cube cm
(II) curved surface area of sphere=4πr2
=4×22/7×2.1×2.1
=55.44sqare cm.
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