Koordinat bayangan titik (4, 10) oleh rotasi [ O, 45°] adalah ...
ASESMEN SUMATIF 2

Quiz
•
Mathematics
•
12th Grade
•
Medium
dedy surjawan
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16 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koordinat bayangan titik (3, -1) oleh pusat rotasi P(2, 1) dan sudut rotasi 90° searah jarum jam adalah ...
(0, 0)
(0, 2)
(1, 2)
( 2, 1)
(1, 1)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika bangun datar tersebut dinotasikan dengan titik pusat (-2, 1) dan sudut 180° berlawanan arah jarum jam, maka hasil bayangan yang tepat adalah...
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Titik koordinat A(-2, -1) dirotasikan terhadap titik pusat (1, 3) dan sudut 270° berlawanan arah jarum jam, titik koordinat bayangan yang dihasilkan adalah...
A'(3, 0)
A'(-3, 6)
A'(1, 2)
A'(-1, -2)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persegi ABCD dirotasikan dengan titik pusat (3, 0) menghasilkan bayangan persegi A'B'C'D' seperti terlihat pada gambar. Sudut dan arah rotasi yang sesuai adalah...
90° berlawanan arah jarum jam
180° berlawanan arah jarum jam
90° searah jarum jam
180° searah jarum jam
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Titik C(4, -2) dirotasi sejauh 45° derajat berlawanan arah jarum jam terhadap titik pusat O(0, 0). Koordinat baru titik C adalah...
(2√2+√2, 2√2-√2)
(2√2-√2, 2√2+√2)
( √2 , 2√2)
(2√2+√2, 2√2+√2)
(2√2, -2√2)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Titik A( 1, 3) oleh rotasi sejauh 30o berlawanan arah jarum jam dengan pusat (0, 0) adalah....
A′(½(√3−3), ½(1+3√3))
A′(½(√3−3), ½(1−3√3))
A′(½(√3+3), ½(1−3√3))
A'(½(√3−3), ½(1−√3))
A′(½(√3−3), ½(1+√3))
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