what quadrilateral has a right angle and only one pair of parallel sides
Square. 4 congruent sides. 4 right angles (90Â°). Opposite sides are parallel. All angles are congruent. Trapezoid. Only one pair of opposite sides is parallel. Summary. A quadrilateral is a mathematical name for a four-sided polygon. Parallelograms, squares, rectangles, and trapezoids are all examples of quadrilaterals.
Scalene trapezoid: A scalene trapezoid is a trapezoid with no equal sides.The following is a scalene trapezoid. Right-angled trapezoid: A right-angled is a trapezoid with two right angles. The following is a right-angle trapezoid. Isosceles trapezoid: In an isosceles trapezoid, non-parallel sides are equal. The following is an isosceles trapezoid.