
Translasi Kelas 9
Presentation
•
Mathematics
•
9th Grade
•
Practice Problem
•
Easy
Reza Ardhilia
Used 40+ times
FREE Resource
6 Slides • 4 Questions
1
Translasi
Oleh:
Reza Mega Ardhilia, S.Pd
2
Apa itu translasi?
Translasi disebut juga dengan pergeseran.
Translasi dapat dinotasikan dengan:
P (x,y) T (a,b) P' (x+a, y+b)
Jika a positif, maka bergeser ke kanan, dan sebaliknya.
Jika b positif, maka bergeser ke atas, dan sebaliknya.
3
Tentukan bayangan titik A (1, 4) jika ditranslasikan oleh T (2, -3)
Contoh 1.
Jawab.
A' (1+2 , 4+(-3))
= A' (3,1)
4
Segitiga ABC dengan A (0,0), B (3,1) dan C (1,3) ditranslasi oleh T (5,2). Tentukan bayangan segitiga ABC.
Contoh 2.
Jawab.
A' (0+5 , 0+2) -> A' (5,2)
B' (3+5, 1+2) -> B' (8,3)
C' (1+5, 3+2) -> C' (6,5)
5
Ayo Kita Mencoba
Kerjakan latihan soal berikut agar kalian bisa lebih memahami materi ini.
6
Multiple Choice
Bayangan titik R (1,4) jika ditranslasi oleh T (6,3) adalah ....
(6,12)
(7,7)
(5,1)
(6,3)
7
Draw
Segiempat ABCD dengan koordinat A (1,2), B (2,3), C (3,2), dan D (2,0) ditranslasikan oleh T (4,-3). Tentukan bayangan segiempat ABCD tersebut dengan cara menggambar pada bidang koordinat berikut
8
Match
Cocokkan setiap titik asal berikut jika ditanslasi oleh T (2,-1) dengan titik bayangannya.
(5,2)
(1,9)
(3,-2)
(3,1)
(-5,7)
(7,1)
(3,8)
(5,-3)
(5,0)
(-3,6)
(7,1)
(3,8)
(5,-3)
(5,0)
(-3,6)
9
Poll
Bagaimana perasaanmu setelah belajar materi ini?
10
Tetap semangat!
Translasi
Oleh:
Reza Mega Ardhilia, S.Pd
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