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# Cons & Trans

### Review for test

What are the steps for constructing a perpendicular through a point ON the line? 1) Swing an arc from P 2) Swing an arc from A 3) Swing the same arc from B 4) Connect P and C with a line
What are the steps for constructing a perpendicular through a point OFF the line? 1) Swing an arc from P 2) Swing an arc from A 3) Swing the same arc from B 4) Connect P and C with a line
What are the steps for constructing a perpendicular bisector of a line segment? 1) Measure compass over ½ of the segment 2) Swing an arc from A 3) Swing same arc from B 4) Draw a line through C and D
What are the steps for bisecting an angle? 1) Swing an arc from the vertex A 2) Swing an arc from B 3) Swing same arc from C 4) Draw a line from A through D
What are the steps for copying an angle? 1) Swing an arc off A 2) Swing same arc off D 3) Measure B to C with compass 4) Swing arc off E 5) Draw a line from D through F
What are the steps for copying a segment? 1) Measure the segment with your compass 2) Transfer distance to new line
What are the steps for construction a line parallel to a given line and through point p? 1) Draw a transversal through P 2) Swing an arc off A 3) Swing same arc off P 4) Measure B to C with compass 5) Swing arc off D 6) Draw a line through P and E
How do you translate a point? Add
How do you reflect a point over the x-axis? Same x coordinates, opposite y coordinates
How do you reflect a point over the y-axis? Same y coordinates, opposite x coordinates
How do you rotate a point (x,y) 90 degrees counterclockwise? Write the opposite original y coordinate as you new x coordinate, then copy the original x coordinate as your new y coordinate. (-y, x)
How do you rotate a point (x, y) 180 degrees? Write the opposite of all coordinates. (-x, -y)
How do you dilate a point? MULTIPLY
Created by: DMartin Math