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rectangle
rhombus
All quadrilaterals have two [pairs] of opposite sides and in most cases they are not equal.
A parallelogram.
You are a square or a rhombus
rectangle
rhombus
All quadrilaterals have two [pairs] of opposite sides and in most cases they are not equal.
true
A parallelogram.
You are a square or a rhombus
true
Rhombus
rectangle
Every quadrilateral has four sides and they are opposite each other. So, ALL quadrilaterals have both pairs of opposite sides.
Yes, but there must be two pairs of opposite sides that are equal.Yes, but there must be two pairs of opposite sides that are equal.Yes, but there must be two pairs of opposite sides that are equal.Yes, but there must be two pairs of opposite sides that are equal.
Yes.Although the definition of a parallelogram is "a quadrilateral with both pairs of opposite sides parallel", the only way for a quadrilateral to include opposite sides of equal length is if the included angles are the same, and hence the sides are parallel.(Hint : draw a diagonal to a parallelogram. You can show that one of the two triangles formed is the mirror image of the other, which immmediately proves that each pair of opposite sides is equal.)