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definition of a midpoint definition of an angle bisector. A. B. C. Given: B is midpoint of AC Prove: AB = BC. Statement Reason B is midpoint of AC given. A. B. C. Given: B is midpoint of AC Prove: AB = BC. Statement Reason B is midpoint of AC given
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definition of a midpoint definition of an angle bisector
A B C Given: B is midpoint of AC Prove: AB = BC StatementReason B is midpoint of AC given
A B C Given: B is midpoint of AC Prove: AB = BC StatementReason B is midpoint of AC given AB = BC definition of midpoint
A B C Given: B is midpoint of AC Prove: AC = 2(BC) StatementReason B is midpoint of AC given
A B C Given: B is midpoint of AC Prove: AC = 2(BC) StatementReason B is midpoint of AC given AB = BC definition of midpoint
A B C Given: B is midpoint of AC Prove: AC = 2(BC) StatementReason B is midpoint of AC given AB = BC definition of midpoint AC = AB + BC segment addition postulate
A B C Given: B is midpoint of AC Prove: AC = 2(BC) StatementReason B is midpoint of AC given AB = BC definition of midpoint AC = AB + BC segment addition postulate AC = BC + BC substitution
A B C Given: B is midpoint of AC Prove: AC = 2(BC) StatementReason B is midpoint of AC given AB = BC definition of midpoint AC = AB + BC segment addition postulate AC = BC + BC substitution AC = 2(BC) combine like terms
A B C Given: B is midpoint of AC Prove: BC = (1/2)AC StatementReason B is midpoint of AC given
A B C Given: B is midpoint of AC Prove: BC = (1/2)AC StatementReason B is midpoint of AC given AB = BC definition of midpoint
A B C Given: B is midpoint of AC Prove: BC = (1/2)AC StatementReason B is midpoint of AC given AB = BC definition of midpoint AC = AB + BC segment addition postulate
A B C Given: B is midpoint of AC Prove: BC = (1/2)AC StatementReason B is midpoint of AC given AB = BC definition of midpoint AC = AB + BC segment addition postulate AC = BC + BC substitution
A B C Given: B is midpoint of AC Prove: BC = (1/2)AC StatementReason B is midpoint of AC given AB = BC definition of midpoint AC = AB + BC segment addition postulate AC = BC + BC substitution AC = 2(BC) combine like terms
A B C Given: B is midpoint of AC Prove: BC = (1/2)AC StatementReason B is midpoint of AC given AB = BC definition of midpoint AC = AB + BC segment addition postulate AC = BC + BC substitution AC = 2(BC) combine like terms (1/2)AC = BC division property
A B C Given: B is midpoint of AC Prove: BC = (1/2)AC StatementReason B is midpoint of AC given AB = BC definition of midpoint AC = AB + BC segment addition postulate AC = BC + BC substitution AC = 2(BC) combine like terms (1/2)AC = BC division property BC = (1/2)AC symmetric property
A B Given: BD bisects <ABC Prove: <1 = <2 <1 <2 D C StatementReason BD bisects <ABC given
A B Given: BD bisects <ABC Prove: <1 = <2 <1 <2 D C StatementReason BD bisects <ABC given <1 = <2 definition of angle bisector
A B Given: BD bisects <ABC Prove: <ABC = 2(<1) <1 <2 D C StatementReason BD bisects <ABC given
A B Given: BD bisects <ABC Prove: <ABC = 2(<1) <1 <2 D C StatementReason BD bisects <ABC given <1 = <2 definition of angle bisector
A B Given: BD bisects <ABC Prove: <ABC = 2(<1) <1 <2 D C StatementReason BD bisects <ABC given <1 = <2 definition of angle bisector <ABC = <1 + <2 angle addition postulate
A B Given: BD bisects <ABC Prove: <ABC = 2(<1) <1 <2 D C StatementReason BD bisects <ABC given <1 = <2 definition of angle bisector <ABC = <1 + <2 angle addition postulate <ABC = <1 + <1 substitution
A B Given: BD bisects <ABC Prove: <ABC = 2(<1) <1 <2 D C StatementReason BD bisects <ABC given <1 = <2 definition of angle bisector <ABC = <1 + <2 angle addition postulate <ABC = <1 + <1 substitution <ABC = 2(<1) combine like terms
A B Given: BD bisects <ABC Prove: <1 = (1/2)<ABC <1 <2 D C StatementReason BD bisects <ABC given
A B Given: BD bisects <ABC Prove: <1 = (1/2)<ABC <1 <2 D C StatementReason BD bisects <ABC given <1 = <2 definition of angle bisector
A B Given: BD bisects <ABC Prove: <1 = (1/2)<ABC <1 <2 D C StatementReason BD bisects <ABC given <1 = <2 definition of angle bisector <ABC = <1 + <2 angle addition postulate
A B Given: BD bisects <ABC Prove: <1 = (1/2)<ABC <1 <2 D C StatementReason BD bisects <ABC given <1 = <2 definition of angle bisector <ABC = <1 + <2 angle addition postulate <ABC = <1 + <1 substitution
A B Given: BD bisects <ABC Prove: <1 = (1/2)<ABC <1 <2 D C StatementReason BD bisects <ABC given <1 = <2 definition of angle bisector <ABC = <1 + <2 angle addition postulate <ABC = <1 + <1 substitution <ABC = 2(<1) combine like terms
A B Given: BD bisects <ABC Prove: <1 = (1/2)<ABC <1 <2 D C StatementReason BD bisects <ABC given <1 = <2 definition of angle bisector <ABC = <1 + <2 angle addition postulate <ABC = <1 + <1 substitution <ABC = 2(<1) combine like terms (1/2)<ABC = <1 division property
A B Given: BD bisects <ABC Prove: <1 = (1/2)<ABC <1 <2 D C StatementReason BD bisects <ABC given <1 = <2 definition of angle bisector <ABC = <1 + <2 angle addition postulate <ABC = <1 + <1 substitution <ABC = 2(<1) combine like terms (1/2)<ABC = <1 division property <1 = (1/2)<ABC symmetric property