Презентация к уроку геометрии по теме Четырехугольники на английском языке


QUADRILATERALSMikhailichenko Yelena , Tsoy Svetlana PolygonA POLYGONE is a many-sided shape. Sides and angles are the same. Quadrilateral has 4 sides and 4 angles. Types of quadrilateralsParallelogram has two pairs of parallel sides. Its parallel sides are equal. Its opposite angles are equal too.Rhombus is a parallelogram too. Its sides are all equal. Square has all equal sides and all equal angles too. Rectangle is a parallelogram which has all equal angles. Trapezoid has only two parallel sides.ParallelogramSquareRectangleRhombusTrapezoid You must knowThe diagonals of a parallelogram are divided in half by the point of intersection. The diagonals of a rectangle and a square are equal Diagonals of a rhombus are perpendicular and are the bisectors of its angles. A trapezoid has only one pair of parallel sides. There are only two types of trapezoid .TrapezoidIsosceles trapezoidRectangle trapezoid Thanks for your attention!