What do you call a quadrilateral with four sides of equal length and no right angles?
Rhombus.
The most specific name for this type of quadrilateral is rhombus.
It is also a type of parallelogram.
It is also a type of kite, which is a type of orthodiagonal quadrilateral.
It is a convex quadrilateral. It cannot be concave.
It cannot be a rectangle or its more specific type square, since these equiangular quadrilaterals have right angles.
It cannot be a skew quadrilateral (with sides crossing).
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- Two opposite sides of a parallelogram each have a length of #18 #. If one corner of the parallelogram has an angle of #(5 pi)/12 # and the parallelogram's area is #144 #, how long are the other two sides?
- What are all quadrilaterals that have opposite sides that are congruent and parallel?
- A parallelogram has sides with lengths of #21 # and #12 #. If the parallelogram's area is #48 #, what is the length of its longest diagonal?
- How do you find the area of a parallelogram?
- 10 friends are shaking hands because they have not seen each other for long time. Every single friend shakes hand from other. How many times does one friend shake hands? How many shakes of hands are there (from all of the friends)?

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