re-word this question
angle sum of a parallelogram
Yes a parallelogram with a right angle is a square.
A rhombus is a parallelogram.
Yes, a rectangle is a special kind of parallelogram - one that has a right angle. (You can prove that if it has one right angle all angles are right.)
A square is a type of parallelogram.
parallelogram
The questions doesn't make sense. An angle isn't a parallelogram. Parallelograms are types of shapes while an angle are to rays.
A right angle.
A parallelogram with one right angle has four of them. The name for this figure is a rectangle.
No, a parallelogram is made from four lines whereas an obtuse angle comprises two lines.
A parallelogram doesn't need any right angles in order to be a parallelogram.If it has any, then it's a special kind of parallelogram, called a "rectangle".Note:The way the properties of a parallelogram work out,if it has one right angle, then it has four of them.
No, it does not. But an angle and the angle opposite it are always equal.