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    IB Math AASL
    /
    2D & 3D Geometry
    /

    Video

    Video Reviews

    Watch comprehensive video reviews for most units, designed for final exam preparation. Each video includes integrated problems you can solve alongside detailed solutions.

    Not your average video:

    Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

    Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

    Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

    Not your average video:

    Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

    Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

    Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

    2D & 3D Geometry

    Video Reviews

    Watch comprehensive video reviews for 2D & 3D Geometry, designed for final exam preparation. Each video includes integrated problems you can solve alongside detailed solutions.

    Not your average video:

    Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

    Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

    Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

    Not your average video:

    Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

    Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

    Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

    Right TrianglesNon right trianglesCircles, arc, radians3D solids

    The video will automatically pause when it reaches a problem.

    Triangle Angles Sum to 180°

    SL 3.prior

    In any triangle ABC, the angles add up to 180°:

    ∠A+∠B+∠C=180°🚫


    Example

    A triangle has angles 35° and 55°. Find the missing angle.

    35°+55°+x=180°

    so x=180−35−55=90°.

    Triangle Angles Sum to 180°

    SL 3.prior

    In any triangle ABC, the angles add up to 180°:

    ∠A+∠B+∠C=180°🚫


    Example

    A triangle has angles 35° and 55°. Find the missing angle.

    35°+55°+x=180°

    so x=180−35−55=90°.

    Right TrianglesNon right trianglesCircles, arc, radians3D solids