Which quadrilaterals have 2 pairs of parallel sides?
Any parallelogram
One of the definitions of a parallelogram is 2 pairs of parallel sides. Therefore, any parallelogram MUST have 2 pairs of parallel sides. This includes all squares, rhombuses, and rectangles.
Trapezoids, kites and triangles are all shapes that do not have parallel sides, and this is because they are not classified as parallelograms.
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Quadrilaterals with two pairs of parallel sides are called trapezoids.
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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 rhombuses have sides with lengths of #7 #. If one rhombus has a corner with an angle of #pi/12 # and the other has a corner with an angle of #pi/4 #, what is the difference between the areas of the rhombuses?
- A parallelogram has sides with lengths of #5 # and #9 #. If the parallelogram's area is #32 #, what is the length of its longest diagonal?
- A parallelogram has sides with lengths of #24 # and #9 #. If the parallelogram's area is #96 #, what is the length of its longest diagonal?
- Two rhombuses have sides with lengths of #2 #. If one rhombus has a corner with an angle of #pi/12 # and the other has a corner with an angle of #pi/2 #, what is the difference between the areas of the rhombuses?
- Two rhombuses have sides with lengths of #2 #. If one rhombus has a corner with an angle of #pi/3 # and the other has a corner with an angle of #(5pi)/8 #, what is the difference between the areas of the rhombuses?
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