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What has four right angles?
A rectangle. A square is a form of rectangle. (All squares are rectangles, but not all rectangles are squares.) ___________ |__________|
What quadrilateral has all angles congruent?
The quadrilaterals with all angles congruent are rectangles and squares. They are the only quadrilaterals in which all four angles are right angles.
All parallelograms with four right angles are?
Rectangles, because a square can be a rectangle, but a rectangle can't be a square.
Does all Quadrilaterals have at least one right angles?
No, a quadrilateral does not necessarily have any right angles. If it has a right angle, it will necessarily have four right angles, and will be a rectangle. But not all quadrilaterals are rectangles. As long as a polygon has four sides, it is a quadrilateral. It might have, for example, two angles of 100o and two angles of 80o.
What does a rhombus and a rectangles always have in common?
all angles are right angles
