## Geometry

Question 1 |

How many diagonals can be drawn by joining the angular points of an octagon?How many diagonals can be drawn by joining the angular points of an octagon?

14 | |

20 | |

21 | |

28 |

Question 1 Explanation:

→A polygon's diagonals are line segments from one corner to another (but not the edges).

→The number of diagonals of an n-sided polygon is: n(n − 3) / 2.

→Examples:

→The number of diagonals of an n-sided polygon is: n(n − 3) / 2.

→Examples:

Question 2 |

The conic section that is obtained when a right circular cone is cut through a plane that is parallel to the side of the cone is called

parabola | |

hyperbola | |

circle | |

ellipse |

Question 2 Explanation:

There are 2 questions to complete.