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Gang Liu

  • Cub scout Venn Diagram

    Activity

    Gang Liu

  • Main Circle VS Corner Circle in Square

    Activity

    Gang Liu

  • Briliant 40 degree known angle

    Activity

    Gang Liu

  • Brilliant trapezoid diagonal

    Activity

    Gang Liu

  • Briliant 2 circles

    Activity

    Gang Liu

  • Dancing parallelogram

    Activity

    Gang Liu

  • Simple Square

    Activity

    Gang Liu

  • Find half of four flower corner piece size geometry

    Activity

    Gang Liu

  • Angle on semicircle is 90 no matter where C is located

    Activity

    Gang Liu

  • Right angle on semi-circle

    Activity

    Gang Liu

  • Square 4 petal flower

    Activity

    Gang Liu

  • Integral on the half of four flower one edge left over

    Activity

    Gang Liu

  • Willow leaf

    Activity

    Gang Liu

  • Willow leaf integral function only

    Activity

    Gang Liu

  • Willow leaf integral

    Activity

    Gang Liu

  • Special rectangle to calculate 15 degree trig ratios

    Activity

    Gang Liu

  • Square 4 petal flower

    Activity

    Gang Liu

  • Moss Egg

    Activity

    Gang Liu

  • y=-x

    Activity

    Gang Liu

  • x=y

    Activity

    Gang Liu