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Mathematics

10th

grade

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Areas Related to Circles | Chapter Assessment | English | Grade 10

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7 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    If the area of a circle is 314 cm², then what will be the circumference of the circle? (Take π = 3.14)

    31.4 cm

    62.8 cm

    6280 cm

    314 cm

  • 2. Multiple Choice
    30 seconds
    1 pt

    If the area of a sector of a circle is 3.85 cm² and the angle of the sector is 36⁰, then find the radius of the circle. (Take π =22/7)

    3.5 cm

    3.85 cm

    12.25 cm

    1.1 cm

  • 3. Multiple Choice
    30 seconds
    1 pt
    Image

    In the given figure, O is the centre of a circle. If ∠ROQ = ∠MON = 60⁰, OR = 7 cm and OM = 21 cm, then the area of the shaded portion is _______. (Take π = 22/7)

    231 cm²

    25.67 cm²

    205.33 cm²

    256.67 cm²

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