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!