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A parallelogram has opposite sides and opposite angles equal.
A square and a rhombus have diagonals that bisect at right angles.
A kite and an isosceles trapezium have diagonals that are equal in length.
Some rhombuses are squares.
The diagonals of a parallelogram cross perpendicularly.
A kite and a rhombus have diagonals that bisect the angles.
Some quadrilaterals are trapeziums.
All kites are quadrilaterals.
All quadrilaterals are parallelograms.
All rectangles are squares.
All rhombuses are parallelograms but a parallelogram is not necessarily a rhombus.
A rhombus can never be split into two equilateral triangles.
Space and Shape. rectangle Shape ? trapezium.
Properties of Quadrilaterals
Circle – Formulas Radius of the circle is generally denoted by letter R. Diameter of the circle D = 2 × R Circumference of the circle C = 2 × × R (
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The angles add up to 2 X 180 = 360º D B A + B + C + D =360
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