Слайд 2
Polygon A POLYGONE is a many-sided shape. Sides and
angles are the same. Quadrilateral has 4 sides and
4 angles.
Слайд 3
Types of quadrilaterals Parallelogram 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.
Parallelogram
Square
Rectangle
Rhombus
Trapezoid
Слайд 4
You must know The diagonals of a parallelogram are