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What are all quadrilaterals with congruent diagonals?
Parallelograms or isosceles trapezium.
Are all parallelograms also trapezium?
yes; all trapeziums are quadrilaterals
Differences between parallelograms and trapezoids?
Parallelograms have two pairs of parallel sides, trapezium only one. Both pairs of opposite sides of a parallelogram must be equal, in a trapezium at most one pair can be. Opposite angles of a parallelogram must be equal, not so for a trapezium.
Which are the quadrilaterals that have their opposite sides equal?
Parallelograms (and their special cases), isosceles trapezium.
What are the shapes that have at least one pair of parallel lines?
All i know is a Trapezium parallelograms
Are some parallolegrams trapezoid?
No, they cannot be. All parallelograms must have two pairs of parallel sides whereas a trapezium can have only one such pair.
This quadrilateral has at least one pair of parallel sides?
A trapezium has one and only one such pair. Squares, rhombi, rectangles and parallelograms have two such pairs.
Is a trapezium a rhombus?
A rhombus is parallelogram with 4 equal sides. A trapezoid (trapezium) has only one pair of parallel sides so it is not a parallelogram. So it is not a rhombus! (Remember squares, rectangles and rhombuses are all parallelograms, but trapezoids are NOT). Dr. Chuck
Is a trapezium a special kind of paralellogram?
To a certain extent yes - Trapeziums are parallelograms but with only one parallel sides (While a parallelogram have two parallel sides)
What are four classifications of quadrilaterals?
A quadrilateral is any 4 sided polygon. Therefore, quadrilaterals would include parallelograms, rectangles, squares, complex quadrilaterals as well as trapezium.
Which shape does not belong with the others rectangle square trapezoid or rhombus?
Trapezoid. The rectangle, square, and rhombus are all parallelograms. The Trapezoid is a solid: a prism of trapezium cross-section.
What 4 sided shape has 2 parrallel sides?
A square , a rectangle , a rhombus , in fact all the parallelograms have two parallel sides . Also a trapezium also has two parallel sides , which means one pair of parallel sides . The parallelograms have four parallel sides.
