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Mathematics, 04.02.2020 18:50 evere11605

Which figure is a counterexample to the following statement?

a quadrilateral with one pair of parallel sides is a parallelogram.

a. a right triangle has perpendicular sides.

b. a square is a rectangle.

c. a trapezoid is not a parallelogram.

d. a dart is not a parallelogram.

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Which figure is a counterexample to the following statement?

a quadrilateral with one p...

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