# Solids: Hemisphere

Document Reference: TN201309072 - Rev: 4.9 - Last Update: 26-03-2014 11:44 GMT - Downloaded: 29-May-2022 10:36 GMT

## A hemispere is half of a spere.

### Enclosed Volume of a Hemisphere

#### Formula

Volume (V) | = | 2 | × | π | × | radius cubed |

3 |

### Surface Area of a Hemisphere

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

#### Flat Circular Surface Area Formula

Flat Circular Surface Area (A_{1}) | = | π | × | radius squared |

#### Curved Surface Area Formula

Curved Surface Area (A_{2}) | = | 2 | × | π | × | radius squared |

#### Total Surface Area Formula

Total Surface Area (A) | = | A_{1} + A_{2} |

### Edge of a Hemisphere

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

#### Formula

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