0 0. Remember, if you see the word quadrilateral, it does not necessarily mean a figure with special properties like a square or rectangle! Which description does NOT guarantee that a quadrilateral is a parallelogram? It could be just two congruent right triangles attached at the hypotenuse, like this. ... that does not guarantee that the shape is a square. Which angles of the quadrilateral must be supplementary? If the shape is close to being a square but not exactly a square, it doesn't necessarily have any of the square properties. Other names for quadrilateral include quadrangle (in analogy to triangle), tetragon (in analogy to pentagon, 5-sided polygon, and hexagon, 6-sided polygon), and 4-gon (in analogy to k-gons for arbitrary values of k).A quadrilateral with vertices , , and is sometimes denoted as . Special Quadrilaterals. Question 7 options: has all right angles and has all sides congruent has all sides congruent and all angles congruent is a parallelogram with perpendicular diagonals is both a rectangle and a rhombus "It has four sides" is a description that does not guarantee that a quadrilateral is a square. If it does not have four sides that are equal then it is not a square or if it does not have four right angles then it is not … c. a quadrilateral with both pairs of opposite sides congruent a quadrilateral with the diagonals bisecting each other a quadrilateral with consecutive angles supplementary quadrilateral with two opposite sides parallel John T. Lv 6. So in this diagram, it is true that BC equals CD. So this one does not guarantee the quadrilateral is a square. Which statement does not guarantee that a quadrilateral is a square? There are four methods that you can use to prove that a quadrilateral is a square. Which description does not guarantee that a quadrilateral is a square? b. It could be just two congruent right triangles attached at the hypotenuse, like this. Turns out that if even both facts together are true, that does not guarantee that the shape is a square. Geometry. In fact, it's not any special quadrilateral at all. If a quadrilateral has 4 equal sides and 4 equal angles, its angles must be 90 degrees each, and 4 equal sides, so it guarantees it is a square. Which description does NOT guarantee that a quadrilateral is a square? a. is a parallelogram with perpendicular diagonals b. is both a rectangle and a rhombus c. has all sides congruent and all angles congruent d. has all right angles and has all sides congruent ____ 2. In the last three of these methods, you first have to prove (or be given) that the quadrilateral is a rectangle, rhombus, or both: If a quadrilateral has four congruent sides and four right angles, then it’s a square […] 10 years ago. All squares are quadrilaterals. Which description does NOT guarantee that a quadrilateral is a square? In word problems, be careful not to assume that a quadrilateral has parallel sides or equal sides unless that is stated. In addition to symmetrical, irregular quadrilaterals, other irregular quadrilaterals can exist without symmetry, just four unequal sides: [insert drawing irregular quadrilateral MATH with labeled sides MA = 7 cm, AT = 3 cm, TH = 12 cm, HM = 14 cm] Suppose both pairs of opposite sides of a quadrilateral are parallel. A quadrilateral is a polygon in Euclidean plane geometry with four edges (sides) and four vertices (corners). Which statement is true? Do not despair, though, because a few of them yield to area formulas, just as the square does. for what values of a and b is each quadrilateral a parallelogram? Left side: 5a Top: 3a+1 Right side: 2b-5 Bottom: b . a. I do not understand what this question is asking and how I should answer. 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