The angle of B in degrees is about 51
B is a ratio but there are no units so it’s not a rate.
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Hope it helps, the question wasn't clear, so sorry if the answer is wrong
Dilation of rectangle ABCD by a given scale factor about the center of rectangle to create an image, will not affect the image of the EF which is E'F', this is because line EF is passing through the center of the rectangle, the point at which the rectangle was dilated. Thus the answer will be:
<span>D: lie on the same line as the original</span>
