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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.

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Q: If a parallelogram has a right angle is it a rectangle?
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Related questions

What is a parallelogram with for right angle?

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.


What is the name for a parallelogram with four right angle?

Rectangle


What attribute makes a rectangle a special parrallelogram?

A parallelogram with a right angle 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.


If a parallelogram has a right angle then it is a rectangle?

No because it could be a right angled trapezoid. A rectangle must have 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. The right angled trapezoids that are not rectangles are not parallelograms.


If one angle in a parallelogram is it a rectangle?

If you mean if one of the angles is a right angle, then yes, because a rectangle is the only option left if it is to remain a parallelogram.


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.


A parallelogram has a right angle then it is a rectangle true or false?

True.


Why are some parallelograms rectangles?

If a parallelogram has a right angle it is 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.)