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itzshiane

Answer:

Line AB and Line CD are perpendicular. Line EF is not since it's going a different direction then the other two.

Hope this helps.

ashishdwivedilVT

Lines AB and CD are perpendicular to line EF as angle between them is 90 degree.

What are perpendicular lines?

Lines that make an angle of 90 degree with each other are called perpendicular lines.

In the given diagram

We can see that Line AB is perpendicular to line EF because angle between line AB and line EF is 90°.

Similarly, Line CD is perpendicular to line EF because angle between line CD and line EF is 90°.

Thus, lines AB and CD are perpendicular to line EF as angle between them is 90 degree.

To get more about perpendicular lines visit:

https://brainly.com/question/1202004

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