http://www.ck12.org Chapter 1. Basics of Geometry
Algebra ConnectionFor 19-24, use algebra to determine the value of variable(s) in each problem.
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25.ConstructionUsing your protractor, draw an angle that is 110◦. Then, use your compass to construct the angle
bisector. What is the measure of each angle?
26.ConstructionUsing your protractor, draw an angle that is 75◦. Then, use your compass to construct the angle
bisector. What is the measure of each angle?
27.ConstructionUsing your ruler, draw a line segment that is 7 cm long. Then use your compass to construct the
perpendicular bisector, What is the measure of each segment?
28.ConstructionUsing your ruler, draw a line segment that is 4 in long. Then use your compass to construct the
perpendicular bisector, What is the measure of each segment?
29.ConstructionDraw a straight angle( 180 ◦). Then, use your compass to construct the angle bisector. What
kind of angle did you just construct?For questions 30-33, find the midpoint between each pair of points.