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How do you prove that a parallelogram is a rectangle?
a rectangle has four right angles and opposite sides are all the same length This means that a parallelogram is not always a rectangle, but a rectangle is always a parallelogram, by definition.
What is a parallelogram with 4 right angles called?
A rectangle, possibly a square. Can you see why a parallelogram must be a rectangle if any one of its angles is right?
If the diagonals of a parallelogram are congruent, then the parallelogram is a rectangle?
true.
What are the 4 quadrilaterals that have 2 pairs of parallel sides?
Parallelogram, rectangle, rhombus and square.Parallelogram, rectangle, rhombus and square.Parallelogram, rectangle, rhombus and square.Parallelogram, rectangle, rhombus and square.
What parallelogram can be inscribed in a circle?
if a parallelogram is inscribed in a circle it is always a rectangle...............
What is a Parallelogram with one right angle?
a rectangle
What is the name for a parallelogram with one right angle?
A parallelogram with one right angle has four of them. The name for this figure is a rectangle.
Parallelogram are what rectangle?
A rectangle is a parallellogram with one right angle; A parallelogram is a quadrilateral with opposite sides equal and parallel.
A rectangle is a parallelogram with what 4 sides angles?
Definition I was taught: "A rectangle is a parallelogram with one right angle" Sounds weird but when you think it out, having one right angle in a parallelogram means the other three must be right as well.
If a parallelogram has a right angle is it a rectangle?
No because it could be an irregular quadrilateral that includes a right angle. A rectangle has four right angles.Yes, a parallelogram with a right angle is always a rectangle. In fact, in my geometry book, some 55 years ago, such was the definition of rectangle.A parallelogram with one right angle will always have four right angles.It is true that you can draw an irregular quadrilateral with a right angle which is not a rectangle but the figure will not be a parallelogram.
Which of these figures must be a rectangle?
A parallelogram with at least one right angle
What is a parallelogram with for right angle?
A rectangle.
Is a rectangle a parallelogarm?
Yes, a rectangle is a special kind of parallelogram - one that has a right angle. (You can prove that if it has one right angle all angles are right.)
A rectangle is a parallelogram with a right interior angle?
Yes, that is what is rectangle is. One can prove that all of the angles are right angles.
Is a rectangle a special quadrilateral?
A rectangle is defined as "a parallelogram with one right angle" A parallelogram is defined as "a quadrilateral with opposite sides equal and parallel" This makes a rectangle a sort of second-generation quadrilateral!
Are all rectangles pallelograms?
Yes, a rectangle is defined as a parallelogram with one right angle.
Are some parallelograms rectagles?
yes- a rectangle is defined to be a parallelogram with one right angle.
