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Angle Bisectors Worksheet
1) Bisect ∠ABC using a straight edge and a protractor.
2) Using a protractor, bisect the given angles.
3) If a right angle is bisected, what is the size of each angle?
4) An angle is bisected. Each resulting angle is 78°. How big was the original
angle?
5) The size of one resulting angle after the original angle is bisected is equal to
the supplement of the original angle. What is the measure of the original
angle?
Answers:
°
°
°
3) 45
4) 156
5)120
Math 10 Workplace
Marsh