Find the curved surface and whole surface area of a cylinder whose measures are given below diameter 20 m, height 21m
Answers
Answered by
1
R =20/2=10m
H=21m
Step-by-step explanation:
CSA=2πrh
2x22/7x10x21
2x22x10x3
1320metre square
TSA =2πrxrxh
2x22/7x10x10x21
2x22x10x10x3
132x100
13200metre square
hope it helps you.
Answered by
2
Answer:
C.S.A and T.S.A
Step-by-step explanation:
CSA
Diameter = 20m , Radius=10m
Height =21m
A.T.Q
《●》CSA of cylinder=2rh
《●》2×22/7×10×21
《●》1320Ans.
now ,
TSA
Diameter=20m , Radius =10m
Height=21m
A.T.Q
《☆》CSA of cylinder = 2r(r+h)
《☆》2×22/7×10(10+21)
《☆》1948.57
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