10in × 20in is size paper should she use. That is, option J . 10in × 20in is the correct answer.
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The given size of the painting is 3 feet wide and 6 feet long.
The value of 1 foot in inches,
1 foot = 12inches.
The size of the painting is 36 inches wide and 72 inches long.
width is, ( 0.25 × 36 ) = 9 inches. So option F . 4in × 8 in is not the answer and
the length is, ( 0.25 × 72 ) = 18 inches. So option G 6in × 12in and H. 8inch × 16 in are not the possible choices.
So, the reduced dimensions of the dilated painting are 9 inches wide and 18 inches long.
That is, option J . 10in × 20in is the correct answer.
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