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- Are closed figures consisting of four line segments or sides. These sides may or may not be congruent and parallel.

Which One Does Not Have These Properties?

  Opposite sides are congruent.  Opposite sides are parallel. Opposites angles are congruent.

Because:                          •opposite sides are NOT congruent •opposite sides are NOT parallel •opposite angles are NOT congruent

Trapezoid

Which One Does Not Have These Properties?

  Has 4 sides.  Only two sides are parallel

Because: Parallelogram•a parallelogram has four sides •but more than two sides are parallel--a parallelogram has opposite sides that are parallel.

Which One Does Not Have These Properties?Has 4 sides.All sides are congruent.Opposite sides are parallel.All angles are right angles

Because:•a rectangle has four sides •opposite sides are parallel •all angles are right angles •but all sides are NOT congruent

Rectangle

Which One Does Not Have These Properties?

  Has 4 sides.  Has two pairs of congruent adjacent sides.

TrapezoidBecause:•a trapezoid has four sides •two pair of adjacent sides •the two pairs of adjacent sides are NOT congruent

Which One Does Not Have These Properties?

Has 4 sides.Opposite sides are congruent.Opposite sides are parallel.All angles are right angles.

Because: Parallelogram•a parallelogram has four sides •opposite sides are congruent •opposite sides are parallel •but all angles are NOT right angles

Which One Does Not Have These Properties?

Has 4 sides.All sides are congruent.Opposite sides are parallel.No angles=90°.

ParallelogramBecause:•a parallelogram has four sides •opposite sides are parallel •no angles = 90° •but all sides are NOT congruent on figure c.

1. Which figure satisfies these properties?

  Has 4 sides   Opposite sides are congruent.   Opposite sides are parallel.   Opposite angles are congruent.

Parallelogram

2. Which figure satisfies these properties?

  Has 4 sides.   Only two sides are parallel.

Trapezoid

3. Which figure satisfies these properties?

  Has 4 sides   All sides are congruent.   Opposite sides are parallel.   All angles are right angles.  

Square

4.Which figure satisfies these properties?

  Has 4 sides   Has two pairs of congruent adjacent sides.

Kite

5. Which figure satisfies these properties?

  Has 4 sides   Opposite sides are congruent.   Opposite sides are parallel.   All angles are right angles.

Square

6. Which figure satisfies these properties?

  Has 4 sides   All sides are congruent.   Opposite sides are parallel.   Opposite angles are congruent.   No angles=90°  

Parallelogram

This PowerPoint Presentation was prepared by:

Leader: Gerald Tugade

Asst. Leader: Jenesa Alagase

Secretary: Joel PasionWith the Supervisory of:

Miss Shirley Z. Paran