find the length of the arc if the perimeter of sector is 65cm and radius is 20cm​

Question

find the length of the arc if the perimeter of sector is 65cm and radius is 20cm​

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Camila 1 month 2021-08-13T04:11:27+00:00 1 Answer 0 views 0

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    0
    2021-08-13T04:12:36+00:00

    Answer:

    Perimeter of a sector of circle =31 cm

    Radius =6.5 cm

    Arc length = 31−(6.5+6.5)=18 cm

    Now, Area of sector =

    2

    1

    ×Arc length × radius=

    2

    1

    ×18×6.5=58.5 cm

    2

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