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What describes the angles of some parallelograms?
In all parallelograms, opposite angles are equal and the 4 interior angles add up to 360 degrees. In someparallelograms, all of the angles are 90 degrees. These parallelograms are rectangles.
What is a parallelogram where all 4 sides are equal and the opposite sides are parallel?
All "parallelograms" have opposite sides that are parallel. If all four sides have an equal length and the angles are not all right angles, it is a rhombus. If there is any right angle, then they are all right angles and the parallelogram is a square.(note : it is not possible for a quadrilateral to have four equal sides without being one of these parallelograms.)
Can a parallelograms contain obtuse angles?
Yes because a parallelogram normally has 2 equal opposite obtuse angles and 2 equal opposite acute angles in which all 4 angles add up to 360 degees.
Do all parallelograms squares and trapezoids have 4 angles?
yes
Does a paralellelogram have 4 right angles and opposite sides of equal lenghth?
A parallelogram always has opposite sides of equal length. Its 4 angles may be right angles, but in most parallelograms they're not. If they are, then that parallelogram is also called a 'rectangle'.
