Silahkan translate ke bhs indonesia jika anda tdk mngerti
Kali ini, saya ( Izeldien Blog ) akan mempublikasikan rangkuman matematika kelas VII SMP .
Jika anda ingin mengkopi, tolong disertakan sumber( ga disertain sumber gatau diri ) canda2
There are 6 Quadrilaterals
Square, Rectangle, Paralellogram, Rhombus, Kite, and Trapezium/Trapezoid
The first things that i post is :
1. Square
2. Rectangle
3. Parallelogram
4. Rhombus
5. Trapezium
- The line joining the mid-points of the parallel sides bisects the area.
6. Kite
Thanks for watching....
Kali ini, saya ( Izeldien Blog ) akan mempublikasikan rangkuman matematika kelas VII SMP .
Jika anda ingin mengkopi, tolong disertakan sumber
There are 6 Quadrilaterals
Square, Rectangle, Paralellogram, Rhombus, Kite, and Trapezium/Trapezoid
The first things that i post is :
1. Square
The Properties of Square are :
- All Sides are equal in length
- The diagonals are equal in length
- The diagonal intersection is perpendicular
- Opposite sides are parallel
- All interior angle are right angles ( 90 degrees )
- The diagonals bisect each other
- 8 ways to fill its frame ( with flip, rotate and diagonal flip )
- Have 4 axes of symmetry
- Have 4 rotational symmetry with ( 90,180,270 and 360 degrees)
The area of Square is : side x side
The Perimeter of Square is : 4 x side
2. Rectangle
The Properties of Rectangle are :
- Opposite sides are parallel
- Opposite sides are equal in length
- All interior angles are right angles
- The Diagonal are equal and bisect each other
- The diagonal intersection is not perpendicular
- 4 ways to fill its frame
- Have 2 axes of symmetry
- Have 2 rotational symmetry
The area of rectangle is : Length x Width
The perimeter of rectangle is : 2 x ( Length + Width )
3. Parallelogram
The Properties of Parallelogram are :
- Opposite sides are parallel and equal in length
- Opposite interior angles are equal in measure
- The sum of all adjacent interior angles 180 degrees
- The 2 diagonal bisect each other
- The altitude of parallelogram is perpendicular to base
The Area of Parallelogram is : Base (a) x Altitude ( t)
The Perimeter of Parallelogram is : AB + BC + CD + DA
4. Rhombus
The Properties of Rhombus are :
- Has 2 diagonals
- Diagonal intersect and bisect
- Diagonal intersection is perpendicular
- All sides in rhombus are equal
- Opposite angle is same in measure
- Have 2 axes of symmetry and 2 rotational symmetry
- Adjacent interior angles are not equal in measure
- Sum of adjacent interior angles is 180 degrees
The area of rhombus is : 1/2 x Diagonal 1 x Diagonal 2
The perimeter of rhombus is : 4 x side
5. Trapezium
The properties of trapezium are :
- A trapezium has one pair of opposite sides parallel.
- A regular trapezium has non-parallel sides equal and its base angles are equal, as shown in the diagram.
- In an isosceles trapezoid, the base angles have the same measure, and the other pair of opposite sides AD and BC also have the same length- The line joining the mid-points of the parallel sides bisects the area.
The area of Trapezium is : 1/2 x AB + CD x Altitude
The perimeter of Trapezium is : AB + BC + CD + DA
6. Kite
The properties of kite are :
- Angles between unequal sides are equal
- The two diagonals are perpendicular
- Every convex kite has an inscribed circle; that is, there exists a circle that is tangent to all four sides.
- The tho diagonals are right angles
- One of diagonals is axes of symmetry
The area of kite is : 1/2 x Diagonal 1 x Diagonal 2
The perimeter of kite is : AB + BC + CD + DA
Thanks for watching....
Minggu, 17 April 2011