Joke Collection Website - Mood Talk - Which of the following figures is a parallelogram? Give reasons. (1) square ABCD(2) rectangular ABCD(3) quadrilateral ABCD(4) quadrilateral ABC
Which of the following figures is a parallelogram? Give reasons. (1) square ABCD(2) rectangular ABCD(3) quadrilateral ABCD(4) quadrilateral ABC
(1) Because a square has the characteristics of a parallelogram, that is, two groups of opposite sides are parallel, it is a parallelogram;
(2) A rectangle is a parallelogram because it has the characteristics of a parallelogram, that is, two groups of opposite sides are parallel;
(3) and (4) are not parallelograms because they have no characteristics of parallelograms.
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