A four-sided shape
Yes.
A quadrilateral is a shape with four sides.
square
sure
A rectangle
A triangle.
No, a quadrilateral is not always a trapezoid.
A rectangle.
A kite is a quadriateral which sides can fold to become a triangular pyramid
Impossible. If there are 3 @ 90o then the fourth must also be 90o
The word mitt has a short i.
"Habit" is a short vowel word.