IDNStudy.com, kung saan ang iyong mga tanong ay natutugunan ng eksaktong sagot. Magtanong ng anumang bagay at makatanggap ng mga maalam na sagot mula sa aming komunidad ng mga propesyonal.

Questions: 1. Which of the quadrilaterals are parallelogram?
Why?
2. Which of the quadrilaterals are not parallelograms?
Why?​

Sagot :

Step-by-step explanation:

1.A parallelogram has opposite sides parallel and equal in length. Also opposite angles are equal (angles "A" are the same, and angles "B" are the same). NOTE: Squares, Rectangles and Rhombuses are all Parallelograms.

2.An ordinary quadrilateral with no equal sides is not a parallelogram. A kite has no parallel lines at all. A trapezium and and an isosceles trapezium have one pair of opposite sides parallel. A Concave quadrilateral or arrowhead does not have parallel sides.

1:A square is also rectangle because it has two sets of parallel sides and four right angles.A square is also a parallelogram beacouse its opposite side are parallel All rectangles are parllelogram, but not all Parallelogram are rectangles and all of these shapes are quadrilaterals