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- The development of the curved surface of...

Q. |
## The development of the curved surface of a cone is a of a |

A. | sector, circle |

B. | segment, circle |

C. | segment, ellipse |

D. | arc, parabola |

Answer» A. sector, circle | |

Explanation: the development of the curved surface of a cone is a sector of a circle, the radius and the length of the arc of which are respectively equal to the slant height and the circumference of the base-circle of the cone. |

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