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- A zone is portion of the sphere enclosed...

Q. |
## A zone is portion of the sphere enclosed between two planes parallel to the axis. |

A. | true |

B. | false |

Answer» B. false | |

Explanation: a zone is portion of the sphere enclosed between two planes perpendicular to the axis. a lune is the portion between the two planes which contain the axis of the sphere. a sphere is approximately developed by these two methods. |

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Engineering Graphics

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