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Solids: Hemisphere

Document Reference: TN201309072 - Rev: 4.9 - Last Update: 26-03-2014 11:44 GMT - Downloaded: 27-May-2019 14:37 GMT

A hemispere is half of a spere.

Hemisphere

Enclosed Volume of a Hemisphere

Formula

Volume (V)=2×π×radius cubed
3
V=2π r3
3

Surface Area of a Hemisphere

Hemisphere Surface Area

A hemisphere has one flat circular surface area and one curved surface area.

Flat Circular Surface Area Formula

Flat Circular Surface Area (A1)=π×radius squared
A1=π r2

Curved Surface Area Formula

Curved Surface Area (A2)=2×π×radius squared
A2=2 π r2

Total Surface Area Formula

Total Surface Area (A)=A1 + A2
A=A1 + A2
A=π r2 + 2 π r2
A=3 π r2
Hemisphere Edge

Edge of a Hemisphere

A hemisphere has one single edge that equals the circumference of the flat circular surface area.

Formula

Edge=2 × π × radius
Edge=2 π r

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