Math, asked by abhijeetvashish3362, 1 year ago

 find the curved surface area and total surface of a hollow hemisphere whose outer and inner radii are 4.2 cm and 2.1 cm respectively

Answers

Answered by nabhya
1
T. S. A.=3×22/7×4.2^
C.S.A.= 2× 22/7 ×r^2
Answered by khushi5259
0
Hello.....

T.S.A = 3×pie×r^2

C.S.A = 2×pie×r^2

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