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A polyhedron with two parallel congruent bases and all other faces being parallelograms is what?
It is a skew prism. If the parallelograms are rectangles then it is a right prism.
Is every rectangle is a parallelogram?
No. A rectangle is a parallelogram because all of its sides are parallel, but a parallelogram is not a rectangle because it does not have all right angles. It is a true statement to say that all rectangles are parallelograms. However, the statement that all parallelograms are rectangles is false. A parallelogram is a shape where its opposite sides are parallel to each other, including squares, hexagons, octagons, etc.
What quadrilateral always has only 1 pair of parallel sides?
Squares, rectangles, parallelograms and rhombuses have 2 pairs of parallel sides. The trapezoid has only 1 pair of parallel sides.
Do parallelograms have four congruent sides?
Not all parallelograms do but a rhombus does.
If two parallelograms are similar then the corresponding angles are what?
If two parallelograms are similar then the corresponding angles are EQUAL.
