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Mathematics 9 Online
OpenStudy (anonymous):

Octagon ABCDEFGH and its dilation, octagon A’B’C’D’E’F’G’H’, are shown on the coordinate plane below. If the center of dilation is at the origin, by what scale factor was octagon ABCDEFGH dilated? 2 4

OpenStudy (anonymous):

OpenStudy (callisto):

scale factor = 8/4 = ? (just measure the horizontal distance from the centre to the polygon and compare it)

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