Post on 23-Jul-2015
• Introduction• Types of Quadrilaterals
- Square- Rectangle- Rhombus- Parallelogram- Trapezium- Kite
Quadrilateral just means "four sides"(quad means four, lateral means side). Any four-sided shape is a Quadrilateral. But the sides have to be straight, and it has to be 2-dimensional.
A quadrilateral with all congruent sides & each angle a right angle is called a Square.
Square has equal sides.
Opposite sides are parallel.
Every angle is right angle.
Diagonals are congruent.
Diagonalsbisect each other.
Each diagonalis perpendicu-lar bisector of the other.
A quadrilateral with each angle a right angle and opposite side congruent is called a .
• Every angle is right angle.• Opposite sides are congruent.• Opposites sides are parallel.• Diagonals are congruent .• Diagonals bisect each other.
A quadrilateral which has opposite
sides parallel is called a
parallelogram.
Diagonals bisect each
other
Opposite sides are parallel
Opposite angles are congruent
Opposite sides are
congruent
Only one pair of opposite side is
parallel.
KITEA quadrilateral in which there are two pairs of sides & each pair is made up of adjacent sides that are equal in length
is called kite.
PROPERTIES OF KITE