QuadrilateralsMenuDefinition1Angle Sum of a QuadrilateralWhat Is the Angle Sum of a Quadrilateral?The angle sum of a quadrilateral is always 360°. This allows you to determine the size of a missing angle when you know the size of the other three.DoneContinueActivity Set 12Rectangles, Squares, Parallelograms and RhombusesActivity Set 13Trapezoids and Scalene QuadrilateralsActivity Set 14Perimeter Activity Set 15Area of a Rectangle, Square, Parallelogram and Rhombus Calculate the Area of a Rectangle, Square, Parallelogram and RhombusActivity Set 16Area of a TrapezoidCalculate the Area of a TrapezoidActivity Set 17Boss Battle
What Is the Angle Sum of a Quadrilateral?The angle sum of a quadrilateral is always 360°. This allows you to determine the size of a missing angle when you know the size of the other three.DoneContinue
