
Refleksi
Presentation
•
Mathematics
•
9th - 12th Grade
•
Hard
Susanto Edi
FREE Resource
6 Slides • 0 Questions
1
Transformasi Geometri
Refleksi/Pencerminan
2
Sumbu Simetri
Ketika kita melipat sebuah benda berbentuk bidang datar sama besar terdapat lipatan. Lipatan tersebut disebut simetri lipat/sumbu simetri. Selanjutnya sumbu simetri disebut sebagai cermin.
3
Sifat Pencerminan Pada Cermin Datar
Jarak Q ke cermin sama dengan jarak Q' ke cermin
Jajargenjang PQRS bentuk dan ukurannya sama dengan jajargenjang P'Q'R'S' hanya saja saling berhadapan
4
Pencerminan
suatu transformasi yang memindahkan setiap titik pada bidang dengan dengan menggunakan sifat bayangan pada cermin datar.
5
Jenis-jenis Refleksi
Pencerminan terhadap sumbu x
Pencerminan terhadap sumbu y
Pencerminan terhadap titik asal O (0,0)
Pencerminan terhadap garis y=x
Pencerminan terhadap garis y=-x
Pencerminan terhadap garis x=h
Pencerminan terhadap garis y=h
6
Bayangan hasil pencerminan
Transformasi Geometri
Refleksi/Pencerminan
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