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Find the area of the shaded …

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Find the area of the shaded region if raddi of two concentric circles with centre O are 7 cm and 14 cm respectively and angle 40 degree

    • Posted by Khushpreet Kaur 4 years, 10 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Gautam Sinha 4 years, 10 months ago

    Larger sector - smaller sector 40/360×πr² -40/360πr²

    1Thank You

    Yogita Ingle 4 years, 10 months ago

    Area of shaded region=π theta/360°(R2-r2)
    =22×40°/7×360°(142-72)
    =22/7×9(196-49)
    =22×147/7×9
    =22×7/3
    =154/3cm2

    1Thank You

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