Unit 6-1:Classifying Quadrilateral

Parallelogram: A parallelogram is a quadrilateral with both pairs of opposite sides -----------------.

Characteristics of Parallelogram

Two pairs of opposite sides are …………..

Two pairs of opposite angles are ………….

The diagonals ……………..each other.

Opposite sides are …………………...

Adjacent angles are ………………....

Types of Parallelogram

Rhombus: A rhombus is a quadrilateral with four …………………………….. sides.

Characteristics of Rhombus

All four sides are ………………………The diagonals are perpendicular and ………………

each otherDiagonal bisects an ……………………angleOpposite angles of a rhombus are ………………..

Rectangle

A rectangle is a parallelogram with four ………………………….. .

Characteristics of Rectangle

Opposite sides are …………… and ………………. .The diagonals ……………….. each otherThe diagonals are ……………………….. . The angles of a rectangle are all (90 degrees).

So, a rectangle has …………… right angles.Opposite angles of a rectangle are………………Opposite sides of a rectangle are ……………….

Square

A square is a parallelogram with four …………………….…… sides and four ……………………

Characteristics of Square

All four sides ………………………………… .Diagonals are ……………… and ……………..at right

angles.Each internal angle is ……… .

• Opposite sides are …………… .

Kite

A kite is a quadrilateral with two pairs of adjacent sides (disjoint pairs) …………………….and no ………………………………………………congruent.

Characteristics of Kite

Two pairs of adjacent sides are ……………………..The diagonals are …………………………………. .The …………… diagonal is the perpendicular

bisector of the …………… diagonal.The main diagonal ……………….. a pair of

opposite angles.The opposite angles at the endpoints of the

cross diagonal are ………………………….

Trapezoid

A trapezoid is a quadrilateral with exactly one pair of ………………….. Each lower base angle is ………………………………… to the upper base angle on the same side.

Isosceles Trapezoid

The isosceles trapezoid is a trapezoid whose non-parallel opposite sides (legs) are ………………..

The lower base angles are …………………...The upper base angles are …………………….The diagonals are ……………………………Opposite angles are …………………………….

Add kite and Trapezoid to concept map