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Construction Worksheet #9 – Review Name _____________________ Period ______ You have been taught 8 basic constructions. They are: 1. Copy a segment 5. Perpendicular point on the line 2. Copy an angle 6. Perpendicular point off line 3. Angle bisector 7. Parallel line 4. Perpendicular Bisector 8. Trisect a line You need to be able to do ALL of these and to apply them to do all constructions covered on worksheets #1-7. a b c 1. Construct a segment of length a + b. 2. Construct and angle that is c. 3. Bisect the angle. 4. Bisect the segment. 5. Trisect the segment. 6. Construct a line perpendicular to b through P. 7. Construct a line perpendicular to c through R. R b P c 8. Construct a line parallel to d through T. 9. Construct an equilateral triangle. T d 10. Construct a 105 angle. (Use a 60 and a 45.) 11. Write the sentence used to help us remember the points of concurrency in triangles.
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