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If one pair of sides of a quadrilateral is parallel and congruent then the quadrilateral is a parallelogram?
== == yes. suppose the quad ABCD has AB and CD equal and parallel. Then the triangles ABC and CDA are congruent by SAS axiom; so the quad is a parallelogram
What makes it a trapezoid shape?
quad with at least a pair of parallel lines
What quad has opposite sides parallel and equal?
A square and a rhombus
How many parallel lines does a quadrilateral have?
A quadrilateral is any figure with 4 sides. ("quad" = 4, "latus" = side). It doesn't have to have any parallel lines. If it happens to have two sides that are parallel, then it's a trapezoid. If it happens to have two pairs of parallel sides, then it's a parallelogram. Common parallelograms are rectangles, squares, and kites.
Do all quadrilaterals have two parallel sides?
No, because quad means four (4) and lateral means sides. Any four-sided shape is a Quadrilateral. But the sides have to straight and a two-dimensional (2d). Some quadrilaterals have two (2) parallel sides, like a parallelogram.
If one pair of sides of a quadrilateral is parallel and congruent then the quadrilateral is a parallelogram?
== == yes. suppose the quad ABCD has AB and CD equal and parallel. Then the triangles ABC and CDA are congruent by SAS axiom; so the quad is a parallelogram
What makes it a trapezoid shape?
quad with at least a pair of parallel lines
What quad has opposite sides parallel and equal?
A square and a rhombus
Are all trapiziods rhombuses?
No, in fact, no shape can be both a trapezoid and a rhombus. A rhombus is a quadrilateral with 4 equal sides. Since these 4 sides are equal, it makes the quad a parallelogram meaning BOTH sets of opposite sides are parallel. In a trapezoid, ONLY ONE pair of opposite sides are parallel.
How many parallel lines does a quadrilateral have?
A quadrilateral is any figure with 4 sides. ("quad" = 4, "latus" = side). It doesn't have to have any parallel lines. If it happens to have two sides that are parallel, then it's a trapezoid. If it happens to have two pairs of parallel sides, then it's a parallelogram. Common parallelograms are rectangles, squares, and kites.
Do all quadrilaterals have two parallel sides?
No, because quad means four (4) and lateral means sides. Any four-sided shape is a Quadrilateral. But the sides have to straight and a two-dimensional (2d). Some quadrilaterals have two (2) parallel sides, like a parallelogram.
Is a quadrilateral where each angel is a right angle?
no a quadralateral shape is simply a shape with 4 sides. (quad means 4)
Is it is it possible that a quadrilateral with only one right angle?
Yes, a quadrilateral just need to have 4 sides. Quad- means 4 and -lateral means sides. To have only one tight angle, it has to be either a right angle with 2 acute angles and 1 obtuse angle OR a right angle with 2 obtuse angle s and 1 acute angle.
What is quad ball?
a ball with four sides i guess, cause anything with quad in it had four sides
What is a non-quadrilateral?
I am guessing a triangle because a quadrangle is a square or rectangle i think because quad means four sides i think and three sides would be a tri- like in tri-angle
A shape which has equal sides?
quad
Sides bc and ad of a quadrilateral abcd are parallel a circle meets at the side ab at b and e the side CD at c and f prove that the quadrilateral aefd is cyclic?
AEFD is a cyclic quad. Let angle EBC be x. Then EFC is 180-x, and EFD is x. We also know that BAD is 180- x ( cointerior angles). Hence BAD and EFD are supplementary. Use same technique, let angle BCF be y. Then you will get FDA to be supplementary to FEA. therefore aefd is a cyclic quad.
