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

    Problems

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    Problem Bank - 2D & 3D Geometry

    Access custom-built, exam-style problems for 2d & 3d geometry. Each problem has a full solution and mark-scheme, as well as AI grading and support.

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    IB: 6
    9

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    The following diagram shows part of the graph of

    y=f(x)=−2x2+12x,

    and the shaded region R which lies between x=0 and x=3, bounded by the parabola and the x-axis.

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    1. Calculate the area of R.

      [2]

    The points A=(0,0),B=(3,18),C=(h,0) form a triangle with area R.

    1. Determine the value of h.

      [2]
    10

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    Arjun sails on a close hauled away from the dock at a bearing of 45∘ for 3km. He then tacks and sails on a beam reach at a bearing of 165∘ for 8km.

    1. How far does Arjun have to sail in order to get back to the dock?

      [3]
    2. What bearing should Arjun take in order to get back to the dock?

      [2]
    11

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