what is the number of diagonals in a pentagon,heptagon,polygon of 10 sides​

Question

what is the number of diagonals in a pentagon,heptagon,polygon of 10 sides​

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Iris 1 month 2021-08-18T18:41:12+00:00 2 Answers 0 views 0

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    0
    2021-08-18T18:43:03+00:00

    Answer:

    Pentagon: 35

    Heptagon: 14

    Polygon: 35

    Hope it helps you….

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    0
    2021-08-18T18:43:07+00:00

    Answer:

    The number of diagonals in a polygon is n(n-3)/2. So a decagon has 10(10–3)/2 = 10*7/2 = 35 diagonals

    Step-by-step explanation:

    plz mark me as brainliest

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18:9+8+9*3-7:3-1*13 = ? ( )