Assertion: parallelogram | /r/HasProperty | trapezoid
Facets:
value: in that definition
type: OTHER
Source sentences:
text: A Parallelogram is also a Trapezoid.
text: What is the difference between Parallelogram and Trapezoid (Trapezium)?
text: In that definition, a parallelogram is a trapezoid.
text: I don't understand this assertion: In that definition, a parallelogram is a trapezoid.
text: Some people think that parallelograms should be trapezoids because they satisfy that part of the definition, and sometimes (for some purposes) they both have similar properties (e.g. they are both convex quadrilaterals), but the distinction is necessary when you want to prove properties like base congruent angles, etc.
text: is that there is no general agreement about if parallelograms are trapezoids.
text: The main point is why would you want parallelograms to be trapezoids.
text: not other paralleograms are 3) all parallelograms are trapezoids I am fairly sure that almost every current US textbook uses convention 1).
text: The question of whether parallelograms are trapezoids depends on which of these definitions we agree on.
text: It remains true that some parallelograms (namely rectangles) are isosceles trapezoids (or trapeziums outside the USA), but a general parallelogram is not.