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  • Perplex
    IB Math AAHL
    /
    Trig equations & identities
    /

    Problem Bank

    [Maximum mark: 4]

    A spherical white blood cell appears as a circle with circumference ​6π×10−5m.

    1. Write down the radius of the cell.

      [1]

      To earn a crown, get your answer ready before you reveal the options!

    2. Find the volume of the cell, giving your answer in the form ​π(a×10k)m3, where ​a<10​ and ​k∈Z.

      [3]

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