Geometry Constructions
14 December 2020
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Perpendicular bisector construction
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Perpendicular line through a point
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Copy an angle
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Construct an angle bisector.
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Parallel line through a point construction
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make a perpendicular line through the point then make a perpendicular line through the new line. Use patty paper
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Copying a Segment
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median construction
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Find the midpoint of one side then connect the opposite vertex
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Altitude Construction
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Make the perpendicular from the vertex to the opposite side.
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midsegment construction
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find the median of two sides then connect the midpoints together.
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constructing the midpoint
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construct the perpendicular, instead of drawing the line
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orthocenter
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construction of the 3 altitudes
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Circumcenter
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Construction of the 3 perpendicular bisectors
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incenter
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construction of the 3 angle bisectors
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centroid
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constructions of the three medians
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circumscribed
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circle outside the shape
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inscribed
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circle inside the shape
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concurrency
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point where the 3 or more lines meet
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median
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A line segment connecting a vertex of a triangle to the midpoint of the opposite side
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Altitude
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A perpendicular segment from a vertex to the opposite side
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Perpendicular Bisector
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A line that divides a line segment into two congruent parts and is perpendicular to the line
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Coincide
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To lie exactly on top of each other