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4
|
all three angle measures are less than 90 degrees
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7
|
a trapezoid with the two non-parallel sides the same length
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|
8
|
no sides are of equal length and no angles are of equal measure
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9
|
a quadrilateral with four right angles
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|
10
|
a polygon with congruent side lengths and congruent interior angles
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11
|
one angle measure is greater than 90 degrees
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13
|
two sides are of equal length and two angles are of equal measure
|
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15
|
one angle measure is 90 degrees
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16
|
a quadrilateral whose opposite sides are parallel and equal and opposite angles are equal
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