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powerpoint presentation

Date post: 06-Mar-2016
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  • It is a pentagon.

    It is a five sided polygon.

    A polygon have fives sides and five corners is called pentagon.

  • The pentagon is divided into three triangles

    So, the sum of the inner angles of the polygon is 3*180=540

  • It is a hexagon.

    It is a six sided polygon.

    A polygon six sided and six corners is called hexagon.

  • The hexagon is divided into four triangles. So, the sum of the inner angles of the hexagon is 4*180=720

  • GROUP POLYGONS NO. OF SIDES

    NO.OF TRIANGL

    ES

    SUM OF THE INNER ANGLES OF

    THE TRIANGLES

    SUM OF THE INNER

    ANGLES OF THE

    POLYGON

    1 2 3

    PENTAGON

    HEXAGON

    N SIDED POLYGON

    5 6

    N

    3 4

    N - 2

    18+18+18

    180 + 180

    + 180

    18+180 +

    180+.+180

    540

    720

    (N-2)*180


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