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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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∙ 6y ago
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If the diagonals of a parallelogram are congruent, then the parallelogram is a rectangle?
true.
In a parallelogram a diagonal separates the parallelogram into?
two congruent triangles
What parallelogram can be inscribed in a circle?
if a parallelogram is inscribed in a circle it is always a rectangle...............
Who many rotational symmetry does a parallelogram have?
A parallelogram has a rotational symmetry of 2!
Which parallelogram has no right angles?
Except for rectangles, no parallelogram has right angles.
Is a parallelogram a parallelogram?
yes a parallelogram is a parallelogram
Is a parallelogram a trapazoid?
No, a parallelogram is not a trapezoid.
Which is a parallelogram?
it is a ............................................................................................. parallelogram
Is a A square a parallelogram?
No, a parallelogram is not always a square, but a square is a parallelogram.
Is a square or trapezoid have a special name and is a parallelogram?
Square = parallelogram and a square trapezoid = trapezoid Parallelogram = Parallelogram
A square is a parallelogram.?
No, a parallelogram is not always a square, but a square is a parallelogram.
Why is parallelogram named parallelogram?
because both lines are paralle so it is a parallelogram
Is a parallelogram is a square?
No, a parallelogram is not necessarily square.However, by definition, a square is always a parallelogram.
What is the ways to prove that a quadrilateral is 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.
A trapazoid is a parallelogram?
No, a trapezoid is not a parallelogram.
Can a kite be 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.
How does a parallelogram relate to a rectangle?
A rectangle is a parallelogram but a parallelogram is not a rectangle. A rectangle needs all 90 degree angles but a parallelogram dosnt.
