Download 2-review- justify properties jeopardy

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GR + RE = GE
Segment Addition
Postulate
If__R is the midpoint of
GE, then RE = ½ GE.
Midpoint Theorem
↔
↔
If RA  RD, then
ARD is a right
angle.
Def. of
Perpendicular Lines
If GRC is supplementary
to ARC, and DRF is
supplementary to ARC,
then GRC  DRF.
Congruent Supplements
Theorem
GRB  ERF
Vertical Angles Are
Congruent.
→
If RC bisects BRD, then
mBRC = ½ mBRD.
Angle Bisector Theorem
mGRA + mARC =
mGRC.
Angle Addition Postulate
↔
↔
If BF  GE, then
GRB  BRE.
If two lines are
perpendicular, then they
form congruent adjacent
angles.
If mERD + mCRA =
90, then those angles are
complementary.
Definition of
Complementary Angles
__
__
If BR  RF, then __
R is the
midpoint of BF.
Definition of Midpoint
→
→
If RB  RE, then BRC is
complementary to CRE.
If the exterior sides of two
adjacent acute angles are
perpendicular, then the
angles are complementary.
If GRA is supplementary
to FRD, then mGRA +
mFRD = 180.
Definition of
Supplementary Angles
__
If R is the midpoint __
of GE,
↔
then FB bisects GE.
Definition of Segment
Bisector
If BRE  ERF, then
↔ ↔
EG  FB.
If two lines form
congruent adjacent angles,
then the lines are
perpendicular.
mARB + mBRC =
mARC
Angle Addition Postulate
__ __
If BR  RF, then __
R is the
midpoint of BF.
Definition of Midpoint
If mARD = 90, then
ARD is a right angle.
Definition of Right Angle
If ARD is a right angle,
→
→
then RA  RD.
Definition of
Perpendicular Lines
↔
↔
If FB  GE, then
BRE  ERF.
If two lines are
perpendicular, then they
form congruent adjacent
angles.
If ARB is
complementary to BRD,
and DRE is
complementary to BRD,
then ARB  DRE.
Congruent Complements
Theorem
→
If RC bisects BRD, then
BRC  CRD.
Definition of Angle
Bisector
mGRC + mCRE = 180
Linear Pair Postulate
If BRG  BRE, then
↔
↔
BR  GE.
If two lines form
congruent adjacent angles,
then the lines are
perpendicular.
FR + RB = FB
Segment Addition
Postulate
→
→
If RB  RE, then BRD
and DRE are
complementary.
If the exterior sides of two
adjacent acute angles are
perpendicular, then the
angles are complementary.