Perpendicular to a Line Through a Point Not on the Line

Given a point

not on some line

Create a point on the side of opposite point
Using the Compass tool, create a circle with radius centered @ point
Using the Intersect tool, create the points of intersection and between circle and the line
Using the Compass tool, create circle with radius centered @ point
Using the Compass tool, create circle with radius centered @ point
Using the Intersect tool, create the points of intersection and between circles and
Using the Line tool, create

What is the relationship between

and

? HINT: Use the Angle tool Does your Construction pass the Drag Test?

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