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Why are all rectangles examples of parallelograms but all parallelograms are not rectangles?
Wiki User
∙ 9y ago
To be a parallelogram, the figure needs both sets of opposite sides to be parallel. A rectangle needs to have four right angles. This means the rectangle has to be a parallelogram. However, you can have opposite sides parallel without having right angles, as long as opposite angles are equal to each other,
Wiki User
∙ 9y ago
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Are all parrellelograms rectangles?
No. Only some parallelograms are rectangles. But all rectangles are parallelograms.
Is every property of parallelograms also a property of all rectangles?
Yes. All rectangles are also parallelograms, but not all parallelograms are rectangles.
Can a parallelogram also be a rectangle?
Some parallelograms are rectangles; all rectangles are parallelograms.
Are there some parallelograms that are rectangles?
All rectangles are parallelograms, so yes there are some.
Are all parallelograms and rectangles the same?
No. Rectangles are parallelograms with all right angles, while parallelograms just have 2 sets of parallel lines.
Are some parallelograms rectangles?
In fact, some are rectangles, but not all are.
Are all rectangles parallelagrams?
Yes, all rectangles are parallelograms. However, not all parallelograms are rectangles.
Is there a rectangle that isn't a parallelogram?
No. All rectangles are parallelograms. However, not all parallelograms are rectangles.
All rectangles are parallelograms. are all parallelograms rectangles explain.?
All parallelograms are not rectangles. The angles of a parallelogram need not be right angles and so the figure need not be a rectangle.
Can a parallelogram be a rectangle and a square?
the three special quadrilaterals that can be a parallelogram are a rectangle, a square, and a rhombus Actually, this is incorrect. All squares are rectangles. All rectangles are parallelograms. Therefore all squares are parallelograms. But not all parallelograms are rectangles. And not all rectangles are squares.
Can you call a 4 sided shape a parallellogram?
Only if 2 sides are parallel with each other, and the other two sides are also parallel with each other. All squares are rectangles. All rectangles are parallelograms. All parallelograms are 4 sided. But not all 4-sided are parallelograms, not all parallelograms are rectangles, and not all rectangles are squares.
Is some rectangles parallelograms?
All of them are.
All parallelograms are rectangles?
False
All rectangles are parallelograms?
True
All rectangles are?
parallelograms and,or quadrilaterals
Are all squares parallelograms or squares?
False! Squares are parallelograms. Parallelograms can be squares or rectangles or neither.
Are all rectangles parallelograms?
Yes. All rectangles are parallelograms.A parellelogram is defined as a figure in which both pairs of opposite sides are parallel.A rectangle can also be described as a quadrilateral parallelogram, or an equiangular parallelogram because all of its angles are 90 degrees.However, although all rectangles are parallelograms, it is important to remember that not all parallelograms are rectangles.All rectangles and parallelograms are 4 sided quadrilaterals
