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Some parallelograms are squares?
By definition, all squares are parallelograms. Not all parallelograms, however, are squares. All rectangles and rhombuses are also parallelograms.
Can a rhombus be a parallelogram?
All rhombuses are paralleleograms. Rhombuses are parallelograms in which all four sides are the same length (and the opposite angles are congruent). Squares are rhombuses in which all four angles are right.
Are some trapezoids rhombuses?
Yes. To be a trapezoid, a quadrilateral must have one pair of sides that are parallel. Since rhombuses are parallelograms, they are all also trapezoids, so a subset of trapezoids are rhombuses.
What is the proper name of a quadrilateral?
Quadrilaterals include trapeziums, trapezoids, parallelograms, rhombuses, rhomboids, rectangles, and squares.
What is a quadrilateral with 2 right angles?
A trapezoid can have 2 right angles. Parallelograms, rhombuses, rectangles, and squares can have 4.
Is it true that rhombuses are special parallelograms?
Yes, it is true that rhombuses are special types of parallelograms. A rhombus is defined as a parallelogram in which all four sides are of equal length. This means that while all rhombuses are parallelograms, not all parallelograms are rhombuses, as parallelograms can have sides of different lengths. Additionally, rhombuses have the property of having diagonals that bisect each other at right angles.
Can a quadrilateral be a parallelogram and a rhombus?
Yes. All rhombuses are parallelograms, but the reverse is not true. (I.e. there are parallelograms which are rhombuses and there a parallelograms that are not rhombuses. -- Just like Every bus has wheels but not everything with wheels is a bus.)
What parallelograms are not rectangles?
rhombuses
Are all rhombuses also rectangles?
No. Rhombuses that are also rectangles are called squares. Rhombuses are parallelograms with 4 equal sides, while rectangles are parallelograms where all the angles are right.
Are parallelograms and rhombus the same think?
No. All rhombi (rhombuses) are parallelograms but all parallelograms are not rhombi.
Can some rhombuses be parallelograms?
Some rhombuses can be parallelograms. It all depends on the direction of the sides. A diamond is a rhombus that is not a parallelogram A square is a rhombus that is a parallelogram
What shapes are also parallelograms?
squares, rectangles, rhombuses
Why are all squares rhombuses?
Are all rectangles parallelograms
What parallelograms don't have right angles?
Rhombi (or rhombuses)
Some parallelograms are squares?
By definition, all squares are parallelograms. Not all parallelograms, however, are squares. All rectangles and rhombuses are also parallelograms.
Which three quadrilaterals have obtuse angles?
parallelograms, rhombuses, & hexagons
Are all rhombuses parellelograms?
All rhombuses are parallelograms because to be a parallelogram you only have to have four sides and have opposite sides congruent.
