Many crystals have faces which are parallelogram and they existed long before there were any human beings. So parallelograms were not invented by people.
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true.
two congruent triangles
A parallelogram has a rotational symmetry of 2!
if a parallelogram is inscribed in a circle it is always a rectangle...............
Except for rectangles, no parallelogram has right angles.
yes a parallelogram is a parallelogram
No, a parallelogram is not a trapezoid.
it is a ............................................................................................. parallelogram
No, a parallelogram is not always a square, but a square is a parallelogram.
The root word in "parallelogram" is "parallelogram".
Square = parallelogram and a square trapezoid = trapezoid Parallelogram = Parallelogram
No, a parallelogram is not always a square, but a square is a parallelogram.
because both lines are paralle so it is a parallelogram
No, a parallelogram is not necessarily square.However, by definition, a square is always a parallelogram.
If it is a parallelogram, then it has two sets of parallelogram sides. Parallelograms' opposite angles are congruent A parallelogram's bisectors are congruent. * * * * * A parallelogram's bisectors are NOT congruent.
No, a trapezoid is not a parallelogram.
Yes, it can be a parallelogram. It will always be a parallelogram. NO. In fact a kite can only be a parallelogram in the extreme case that it is a rhombus (or square). NO. NO. NO. NO. hehe.