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

    Problem Bank

    [Maximum mark: 7]

    In the following triangle, it is given that ​[PQ]=23​x, ​[QR]=x, ​[PQ]=2​ and ​cosR=−41​.

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    Find the area of the triangle.

    [7]

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