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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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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 attribute makes a rectangle a special parrallelogram?
A parallelogram with a right angle is a rectangle.
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.
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.
Which of these figures must be a rectangle?
A parallelogram with at least one right angle
