Posted by **janet** on Wednesday, June 26, 2013 at 10:32am.

In step 4 of the construction of a perpendicular line through a point, why must the compass point be placed on the points where the arc intersects with the original line? How would the construction be different if the compass point were placed at random points on the original line?

- geometry -
**paris**, Monday, June 22, 2015 at 5:07pm
In step 4 of the construction of a perpendicular line through a point, why must the compass point be placed on the points where the arc intersects with the original line? How would the construction be different if the compass point were placed at random points on the original line?

- geometry -
**mariam**, Tuesday, September 29, 2015 at 6:55pm
i don't know im tryna figure oout the answer too

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