A quadrilateral is a 4 sided figure the has no curves and has strait sides.
no
four-sided
5
A rectangle.
no, all quadrilaterals are 360 degrees
A trapezoid
Yes a trapezoid is a quadrilateral because it has 4 sides
A quadrilateral triangle has three equal sides.
Yes every rhombus is a 4 sided quadrilateral
The 4 interior angles of any quadrilateral add up to 360 degrees
It has four equal sides and four equal angles. No other qudrilateral satisfies both those.
Yes, but only if all the angles are right angles (measuring 90 degrees), so it must be a rectangle.