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  • Perplex
    IB Math AAHL
    /
    2D & 3D Geometry
    /

    Problem Bank

    [Maximum mark: 5]

    The circle below shows two sectors of equal area, ​QPR​ and ​TPR.

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    The sector ​PQR​ has perimeter ​4.5​ and the combined sector ​QPT​ has perimeter ​5.5.

    1. Find the interior angle of sector ​QPR.

      [3]

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

    2. Hence or otherwise, find the area of the combined sector ​PQT.

      [2]

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