A quadrilateral can have four right angles.
4
It is just an irregular quadrilateral.
It is a square or a rectangle where each interior angle is a right angle of 90 degrees.
A right angle triangle
a rectangle
A rectangle, or could be a square if lengths are the same.
a quadrilateral with no right angle is?
No a quadrilateral can't have 3 obtuse angles and 1 right angle because if a polygon did have 3 obtuse angles and 1 right angle then it would not even be a quadrilateral.
A rectangle or a square.
a square or a rectangle
That is called a rectangle.
It could be a kite, an arrowhead or an irregular quadrilateral with a right angle - which has no specific name.
It could be a kite, a trapezium, a chevron or just an irregular quadrilateral with one right angle and no specific name.
A quadrilateral with all right angles is a rectangle.
It is just an irregular quadrilateral.
It is a parallelogramIf one of the angles is a right angle (then they all are) and the quadrilateral is a rectangle.If both pairs of sides are equal in length (but none of the angles is a right angle) the quadrilateral is a rhombus.If the sides are equal and one of the angles is a right angle, the quadrilateral is a square.
yes
not true