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Persamaan bayangan garis $y=2x+12$ okh rotasi pada pusat $\left(21\right)$ dengan sudut rotasi 90" adalah.... $1$ $x+2y-12=0$ - b. $x+2y-10=0$ c. $x+2y-8=0$ d $x+2y+9=0$ e. $x+2y+11=0$
10th-13th grade
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Qanda teacher - Sunil
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