Geometry Help - Two Column proof!!!?

Aaron

New member
Really need help on this is very confusing to me =(

Fill in the blanks to complete the two-column proof

1. Given: Angle HKJ is a straight angle. KI Bisects angle HKJ.
Prove: Angle IKJ is a right angle.
Proof:

-----Statements------- ----------Reasons--------
1. A. _______________ 1. Given
2. measure angle HJK = 180 degrees 2. B. _______________
3. C.________________________ 3. Given
4. Angle IKJ is congruent to angle IKH 4. Def. of angle bisector
5. measure angle IKJ = angle IKH 5. Def. of congruent angles
6. D.___________________ 6. angle addition postulate
7. 2 measure angle IKJ = 180 degrees 7. E. Substitute (Steps_______)
8. measure angle IKJ = 90 degrees 8. Division Property =
9. Angle IKJ is a right angle 9. F._____________________________
 
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