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Earn +20 ptsQ: Does a parallelogram have to be four sided?
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Continue Learning about Geometry
Which counterexample shows that the conjecture Every four-sided figure is a parallelogram is false?
Every four sided figure is a quadrilateral which includes a parallelogram.
Is an isosceles trapezoid a parallelogram?
No, but they are both 4 sided quadrilaterals.
What is a parallelogram with four right angles called?
A parallelogram is a four sided polygon with opposing parallel sides of equal length. Then if it has four right angles, the polygon becomes a rectangle.
What is a four-sided polygon with opposite sides equal and parallel?
A parallelogram. (A rectangle if the angles are 90o)A parallelogram (which may also be a rectangle, if all four angles are equal to 90°)
What names are given to four sided shape?
quadrilateral, square, parallelogram, rectangle, trapezoid, etc
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