Need asap 20 two similar triangles are shown on the following coordinate grid: which set of transformations has been performed on triangle abc to form triangle a′b′c′? dilation by a scale factor of 4 followed by reflection over the x-axis dilation by a scale factor of 2 followed by reflection over the x-axis dilation by a scale factor of 4 followed by reflection over the y-axis dilation by a scale factor of 2 followed by reflection over the y-axis