DB1N 27-5

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Paragraph 7.4

Slide 1 - Diapositive

Planning
  • New theory
  • Quiz

Slide 2 - Diapositive

Slide 3 - Diapositive

What
A quadrilateral 
Properties
Parallelogram
With two pairs of parallel sides
-Opposite sides are parallel
-Opposite sides have the samen length
-Diagonals divide each other exactly in half
-Has point symmetry
Draw the table and write down

Slide 4 - Diapositive

Slide 5 - Diapositive

What
A quadrilateral 
Properties
Rhombus
With four equal sides
-Is a parallelogram
-Diagonals are the axes of symmetry
-Diagonals are perpendicular
-Diagonals are bisectors of the angles
Draw the table and write down

Slide 6 - Diapositive

Slide 7 - Diapositive

What
A quadrilateral 
Properties
Trapezium 
With at least one pair of parallel sides
Draw the table and write down

Slide 8 - Diapositive

Slide 9 - Diapositive

What
A quadrilateral 
Properties
Isosceles trapezium 
Were at least one pair of opposite sides is parallel
Draw the table and write down

Slide 10 - Diapositive

Slide 11 - Diapositive

What
A quadrilateral 
Properties
Kite
Were at least one diagonal is an axis of symmetry
Draw the table and write down

Slide 12 - Diapositive

Quiz

Slide 13 - Diapositive

Every rumbus is a parallelogram
A
True
B
False

Slide 14 - Quiz

Every kite is a rhombus
A
True
B
False

Slide 15 - Quiz

Every parallelogeam is a trapezium
A
True
B
False

Slide 16 - Quiz

Every rhombus is a kite
A
True
B
False

Slide 17 - Quiz

Every trapezium is a parallelogram
A
True
B
False

Slide 18 - Quiz

How many degrees is B2
from exercise 8a diagnostic test?

Slide 19 - Question ouverte

How many degrees is D2
from exercise 8a diagnostic test?

Slide 20 - Question ouverte

What do you want for homework?
Whole paragraph 7.4
Ex. 39, 46, 48, 50, 51 on page 62

Slide 21 - Sondage