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Are some trapezoids rhombuses?
Yes. To be a trapezoid, a quadrilateral must have one pair of sides that are parallel. Since rhombuses are parallelograms, they are all also trapezoids, so a subset of trapezoids are rhombuses.
Is a quadrilateral a trapezoid?
No, a quadrilateral isn't always a trapezoid. One way to consider it is that all trapezoids are quadrilaterals (four-sided shapes), but not all quadrilaterals are trapezoids. Some quadrilaterals are concave quadrilaterals, some are scalene convex quadrilaterals (called trapezoids in the UK), some would be trapezoids, and some would be parallelograms (rectangles, squares, rhomboids, rhombi). If parallelograms are considered a special case of trapezoids, then trapezoids would include all non-scalene convex quadrilaterals, which is a highly inclusive definition.
Is a trapezoid is a quadrilateral.?
No, a quadrilateral isn't always a trapezoid. One way to consider it is that all trapezoids are quadrilaterals (four-sided shapes), but not all quadrilaterals are trapezoids. Some quadrilaterals are concave quadrilaterals, some are scalene convex quadrilaterals (called trapezoids in the UK), some would be trapezoids, and some would be parallelograms (rectangles, squares, rhomboids, rhombi). If parallelograms are considered a special case of trapezoids, then trapezoids would include all non-scalene convex quadrilaterals, which is a highly inclusive definition.
Is a trapiziod always a quadrilateral?
Yes. "Quadrilateral" means all possible figures that have four sides. Some of them are parallelograms, some are rhombera, some are rectangles, some are squares, some are nothing in particular, and some are trapezoids.
A quadrilateral with no right angles?
A quadrilateral with no right angles can refer to most kites, most trapezoids, some parallelograms, and a few quadrilaterals that cannot be classified any more specifically.
Are some trapesoids parallelograms?
No trapezoids are not parallelograms. Trapezoids are actually quadrilaterals and they have one pair of opposite sides. Parallelograms by definition have 2 pairs of parallel sides.
Why are trapezoids outside the parallelogram?
Trapezoids are not considered parallelograms because parallelograms have 2 pairs of parallel sides, whereas trapezoids have only one. Some definitions of trapezoid say "at least one pair of parallel sides" in which case, some trapezoids would be parallelograms (the ones that have 2 pairs of parallel sides), but most textbooks in the US now define trapezoids as "exactly one pair of parallel sides."
Is a parallelogram a quadrilateral and a polygon?
Some parallelograms could be quadrilaterals but all parallelograms are polygons
What quadrilateral don't have a right angle?
Some trapezoids, not all.
Shape with no symmetry?
Some shapes that fit that condition are parallelograms, scalene triangles, and trapezoids.
Is an quadrilateral a trapezoid?
Some are, and some are not. A trapezoid is a special kind of quadrilateral ... one in which two of the four sides are parallel. So all trapezoids are quadrilaterals, but there are also a lot of other quadrilaterals that are not trapezoids.
Is there a quadrilateral with exactly 1 line of symmetry?
Yes - some trapezoids can have one line of symmetry.
