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Ok if the triangle is equilateral then all the sides have to have the same length. Since the perimeter is 45 inches that means each side is 15 inches.

  • 45 / 3 = 15

Now if he dilates the triangle by a scale factor of 0.6 we have to multiply the length of each side by 0.6.

  • 15 * 0.6 = 9

So the answer is 9 inches

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John Climer

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Q: Carey drew an equilateral triangle with a perimeter of 45 inches. He dilated the triangle by a scale factor of 0.6. What is the length of each side of the image of the dilated triangle?
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