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| Iff a quadrilateral has exactly one pair of parallel sides, then the quadrilateral is a(n) __________. |
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| Iff a quadrilateral has two pairs of parallel sides, then the quadrilateral is a(n) __________. |
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| Iff a quadrilateral is equilateral, then the quadrilateral is a(n) __________. |
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Iff a quadrilateral is equiangular, then the quadrilateral is a(n) __________.
Think about it. If a polygon has four sides, what is the sum of the interior angles? If the four interior angles all of the same measure, what must they each be? |
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Iff a quadrilateral is equilateral and equiangular, then the quadrilateral is a(n) __________.
Think about it. 1) What does "equilateral" mean? 2) If a polygon has four sides, what is the sum of the interior angles? If the four interior angles all of the same measure, what must they each be? |
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| Iff a quadrilateral has two distinct pairs of congruent, adjacent sides, then the quadrilateral is a(n) __________. |
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| Iff 1) one endpoint of a segment is a vertex of a triangle, 2) the other endpoint lies on the line containing the opposite side (the base) of the triangle and 3) if the segment is perpendicular to the line containing the opposite side, then the segment is a(n) __________ of the triangle. The length of this segment is called the “height” of the triangle. |
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| Iff 1) one endpoint of a segment lies on one side of a parallelogram and 2) the other endpoint lies on the line containing the opposite side of the parallelogram and 3) if the segment is perpendicular to the line containing the opposite side, then the segment is a(n) __________ of the parallelogram. The length of this segment is called the “height” of the parallelogram. |
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| Iff 1) one endpoint of a segment lies on one base of a trapezoid and 2) the other endpoint lies on the line containing the other base of the trapezoid and 3) if the segment is perpendicular to the line containing the other base, then the segment is a(n) __________ of the trapezoid. The length of this segment is called the “height” of the trapezoid. |
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