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Using the Venn diagram, are parallelograms ask rectangles?

no; the circles for parallelograms and rectangles never overlap, so parallelograms are never rectangles.


Yes; the circles for parallelograms and rectangles overlap, so all parallelograms are also rectangles.


sometimes; the circles for parallelograms and rectangles overlap, so some parallelograms are also rectangles, but not all.


sometimes; the circles for parallelograms and rectangles overlap, so all parallelograms are also rectangles.

1 Answer

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Sometimes; the circles for parallelograms and rectangles overlap, so some parallelograms are also rectangles, but not all. A rectangle is a special case of a parallelogram where all angles are right angles, so all rectangles are parallelograms, but not all parallelograms are rectangles, as some may have angles that are not right angles.

User Brana
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