ROTASI

  • ROTASI

Rotasi  

Rumus  

Matriks  

Rotasi dengan pusat (0,0) dan sudut putar α 

Rotasi dengan pusat P(a,b) dan sudut putar α

Keterangan

α + : arah putaran berlawanan putaran jarum jam

α – : arah putaran searah putaran jarum jam

SIFAT-SIFAT

Dua rotasi bertumt-turut mempakan rotasi lagi dengan sudut putar dsama dengan jumlah kedua sudut putar semula.Pada suatu rotasi, setiap bangun tidak berubah bentuknya.
Catatan:
Pada transformasi pergeseran (translasi), pencerminan (refleksi) dan perputaran (rotasi), tampak bahwa bentuk bayangan sama dan sebangun (kongruen) dengan bentuk aslinya. Transformasi jenis ini disebut transformasi isometri.

About NICO MATEMATIKA

Welcome to my blog. My name is Nico. Admin of this blog. I am a student majoring in mathematics who dreams of becoming a professor of mathematics. I live in Kwadungan, Ngawi, East Java. Hopefully in all the posts I can make a good learning material to the intellectual life of the nation. After the read, leave a comment. I always accept criticism suggestion to build a better me again .. Thanks for visiting .. : mrgreen:

Posted on January 19, 2013, in education. Bookmark the permalink. Leave a comment.

LEAVE A COMMENT IN HERE. COMMENTING IN HERE IS ALWAYS AUTO APPROVE. PLEASE NO SPAM!!! BECAUSE I HATE SPAM... THANKS A LOT..... :mrgreen:

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