L(a,b)------> L'(-12,18)
a × 2/3 = -12
a = -12 × 3/2
a = -18
b × 2/3 = 18
b = 18 × 3/2
b = 27
koordinat titik L adalah D. (-18,-27)
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L(a,b)------> L'(-12,18)
a × 2/3 = -12
a = -12 × 3/2
a = -18
b × 2/3 = 18
b = 18 × 3/2
b = 27
koordinat titik L adalah D. (-18,-27)