IN MATH: 1. n. line segment having 2 nonconsecutive vertices of a polygon as its endpoints. EX. A quadrilateral has 2 diagonals.

IN ENGLISH: 1. n. from one corner to the other corner through the center. EX. She sauntered diagonally across the room.

APPLICATION: See list 260 and 140.

1. Complete the chart:

name of polygon | total number of sides |
number of diagonals from one vertex |
total number of diagonals |

triangle | 3 | 0 | 0 |

quadrilateral | 4 | ||

pentagon | 5 | ||

hexagon | 6 | ||

septagon | 7 | ||

octagon | 8 |

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