Basic Constructions
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Copy a Segment
https://www.youtube.com/watch?v=BDnoX4MiJtc
Copy an Angle
https://www.youtube.com/watch?v=AkvNo6PQsRs
Bisect an Angle
https://www.youtube.com/watch?v=lIwvSzfUkOY
Construct Perpendicular Bisector of a segment
https://www.youtube.com/watch?v=5bvjnleMn5A
Construct Line Perpendicular to a given line through a point ON the line
https://www.youtube.com/watch?v=0wxrjoHDGAM
Construct a Square
https://www.youtube.com/watch?v=Q1fi6r-Lo0Q
Construct a line perpendicular to a given line through a point NOT on the line
https://www.youtube.com/watch?v=35iBLh-1tG8
Construct a line Parallel to a given line
https://www.youtube.com/watch?v=EKL_3xppHcQ
Construct a Hexagon AND an Equilateral Triangle in a Circle
https://www.youtube.com/watch?v=USq_4tthP5Q
Find the Center of a Circle
http://www.mathsisfun.com/geometry/construct-circlecenter.html
How to Construct a Square inside a circle
https://www.youtube.com/watch?v=Kx9I5qGvwnE