Family of quadrilaterals

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The presentation is developed by my students .The project is "Kite,special member of Quadrilaterals, …

The presentation is developed by my students .The project is "Kite,special member of Quadrilaterals,
The students learnt kite making,kite flying also.They enjoyed Mathematics lesson

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  • 1. Kite , special member of Quadrilateral family
  • 2. Family of Quadrilaterals
  • 3. A quadrilateral is a four sided polygon. Therefore the total number of degrees of interior angles is 360°
  • 4. A trapezoid is a quadrilateral with one pair of parallel lines.
  • 5. A parallelogram is quadrilateral comprised of two pairs of parallel lines.
  • 6. A rectangle is a parallelogram with four right angles. A rectangle is a parallelogram, its opposite sides must be congruent and it must satisfy all other properties of parallelograms .
  • 7. A rhombus is a type of parallelogram, and what distinguishes its shape is that all four of its sides are congruent. There are several formulas for the rhombus that have
  • 8. A rhombus is a type of parallelogram, and what distinguishes its shape is that all four of its sides are congruent. Properties of the rhombus: 1. all four sides are congruent 2. Diagonals bisects each other 3. Diagonals are perpendicular A square is a rhombus and a rectangle. In other words, if each angle of a rhombus is 90°, then it's a square.
  • 9. A square has the properties of a rhombus and a rectangle. Its sides intersect at 90° and all four sides are congruent.
  • 10. Kite Who are you? Do you belong to family of Quadrilaterals?
  • 11. Kite is a quadrilateral: * has two pairs of sides. * each pair is adjacent sides (they meet) that are equal in length. Also, the angles are equal where the pairs meet. Diagonals meet at a right angle, and one of the diagonal bisects (cuts equally in half) the other.
  • 12. We acknowledge www.mathsisfun.com for some pictures Made by students of Class VIIIC(2013), Kendriya Vidyalaya,Fort William,Kolkata Teacher: Pratima Nayak