Yes.
A quadrilateral is a shape with four sides.
square
A triangle.
A rectangle
sure
No, a quadrilateral is not always a trapezoid.
A kite is a quadriateral which sides can fold to become a triangular pyramid
A rectangle.
Impossible. If there are 3 @ 90o then the fourth must also be 90o
The word "mitt" has a short i sound.
A quadrilateral.A quadrilateral has 4 right angles and sometimes has congruent sides. Ex:a square