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If radius of a circle is …

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If radius of a circle is increased by 10% then area is increased by how many %

    • Posted by Aayushi Shah 5 years, 8 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Prashant Mitraov 6 years, 11 months ago

    21℅ not 1.21 times because question ask by what ℅ not times the earlier

    3Thank You

    Ram Kushwah 5 years, 8 months ago

    New radius =1.1r

    Area=π(1.1r)2=1.21πr2

    Hence area becomes 1.21 times

    5Thank You

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