The relationship between the y-axis and the line connecting F to F′ is (c) They are perpendicular to each other.
When a triangle FIT is reflected over the y-axis, the image and the pre-image of the triangle would be at either sides of the y-axis.
This means that the points on the image and the pre-image of the triangle are perpendicular to each other
Hence, the relationship between the y-axis and the line connecting F to F′ is (c) They are perpendicular to each other.
Read more about reflection at:
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