Math, asked by navneethsharma6085, 1 month ago

A wooden article is made by scooping out hemisphere from each end of the
solid cylinder. The total surface area of the article is

Answers

Answered by Gitaparekh73
2
We have
Height of cylinder= 10cm
radius of base= 3.5cm

Total surface area of the article =Curved surface area of the cylinder +2 surface area of a hemisphere

=2πrh+2(2πr
2
)

=2πr(h+2r)

=2×
7
22

×3.5(10+2×3.5)cm
2


=374cm
2

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