1) All trapezoids have at least one 90° angle. a) true b) false 2) All parallelograms are quadrilaterals. a) true b) false 3) All rhombuses have only 1 set of equal length sides. a) true b) false 4) All rectangles have 4 sides that are equal length. a) true b) false 5) All squares are quadrilaterals. a) true b) false 6) All rectangles are squares. a) true b) false 7) All rhombuses are squares. a) true b) false 8) All squares are parallelograms. a) true b) false 9) All rhombuses are parallelograms. a) true b) false 10) All quadrilateral have 4 sides. a) true b) false 11) A trapezoid has 2 sets of parallel sides. a) true b) false 12) A trapezoid has two 90° angles. a) true b) false

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