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A parallelogram with four equal sides and four 90 degree angles?
A square is a parallelogram with 4 equal sides and 4 90 degree angles.
Is a parallelogram ever a square?
A parallelogram is a square when all 4 angles of the parallelogram are equal to 90 degrees and all 4 sides are congruent to each other
What is the name of a parallelogram with 4 right angles but not four congruent angles?
4 right angles, by definition, are four angles of the same measure, and therefore must be congruent angles.
Which quadrilaterals are opposite angles always congruent?
(1) Parallelogram A parallelogram is a quadrilateral with two sets of parallel sides. The opposite or facing sides of a parallelogram are of equal length, and the opposite angles of a parallelogram are equal.(2) SquareA square is a regular quadrilateral. This means that is has four equal sides and four equal angles.(3) RhombusA rhombus is a quadrilateral whose four sides all have the same length. Opposite angles of a rhombus have equal measure. The two diagonals of a rhombus are perpendicular.(4) RectangleA rectangle normally refers to a quadrilateral with four right angles.ParallelogramSquareRhombus
A shape with 4 equal-lenghts sides opposite sides parallel but no right angles?
parallelogram
