Rotasi (Perputaran)
Authored by Rini Yaningsih
Mathematics
7th Grade
Used 7+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Suatu titik yang berubah akibat dipindahkan dengan cara memutar titik dari pusat tertentu dinamakan . . . .
translasi
rotasi
dilatasi
refleksi
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Diketahui titik G(1, 5) dirotasikan sejauh 90° dengan perputaran di titik O(0, 0), maka akan membentuk bayangan di titik . . . .
G'(-5, 1)
G'(5, 1)
G'(1, 5)
G'(-1, -5)
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Diketahui titik P(7, 5) dirotasikan sejauh 90° dengan perputaran di titik O(0, 0), maka akan membentuk bayangan di titik . . .
P'(-5, 7)
P'(5, 7)
P'(7, 5)
P'(-7, -5)
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Bayangan titik B(3, 2) oleh rotasi pusat (0, 0) sejauh 180° adalah . . . .
B'(3, 2)
B'(-3, -2)
B'(-3, 2)
B'(3, -2)
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Rumus rotasi sebesar 90° berlawanan arah dengan jarum jam adalah ...
(x, y) → ___
(y , -x)
(-y , x)
(x , -y)
(-x , y)
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Titik A(9,3) dirotasikan 90o berlawanan arah jarum jam, bayangan titik A adalah ......
(3,9)
(-3,9)
(-3,-9)
(3,-9)
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Suatu titik (-12,8) dirotasikan 90o searah jarum jam maka bayangan titik tersebut adalah ....
(8,12)
(8,-12)
(-8,12)
(-8,-12)
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