The document defines and describes different types of quadrilaterals including parallelograms, trapezoids, rectangles, squares, rhombuses, and rhombi. It provides definitions and characteristics for each type of shape. Examples of different quadrilaterals are shown and identified. The document concludes by listing references used.

1. Faustino, Joy Camille
Hidakan, Jurnida
Lucido, Abel G.

2. ◦ Is polygon that has four sides (Four-
sided Polygon)

3. QUADRILATERALS

4.  Is a quadrilateral in which two opposite sides
are parallel

5. PARALLELOGRAM
RECTANGLE
SQUARE
RHOMBOIDRHOMBUS
3 Kinds of Parallelogram

6. •Is a parallelogram with four right
angles
BACK

7. •Is a parallelogram with four
congruent sides
BACK

8. •Is a rectangle because it has four right
angles and it is a rhombus because it has
four congruent sides
BACK

9. •Is a parallelogram in which two opposite sides
are parallel with no adjacent sides that are
congruent
BACK

10. •Is a quadrilateral with exactly one pair of
parallel sides

11. Trapezoid
Isosceles
Scalene

12. BACK
•Is a trapezoid with no congruent sides

13. •Is a trapezoid with two sides (legs) that are
congruent
BACK

14. •Is a quadrilateral with no pair of parallel
sides
KITE

15. PARALLELOGRAM TRAPEZOID
Identify the following pictures as parallelogram,
trapezoid or trapezium and give the specific name of
the given quadrilateral.
SQUARE
ISOSCELES TRAPEZOID

16. PARALLELOGRAM
TRAPEZIUM
RHOMBOID

17. SCALENE TRAPEZOID
PARALLELOGRAMRECTANGLE
TRAPEZOID

18.  Sia, Lucy O., et. al., 21st Century Mathematics:
Second Year, Quezon City, Phoenix Publishing
House, Inc.
 Orines, F. B., Mercado, P. C. & Suzara, J. V.,
(2003), Geometry: Third Year High School,
Quezon City, Phoenix Publishing House, Inc.

19. The End