Download - Answers to Evens
ANSWERS TO EVENS
2) I 4) IG6) BGI8) Definition of Congruent Triangles10) a) KRO b) S, K, CPCTC c) KO, CPCTC, SK d) angle R, CPCTC, alt int angles are congruent12) (7,2)
4-2 SOME WAYS TO PROVE TRIANGLES CONGRUENT
POSTULATES TO PROVE 2 TRIANGLES ARE CONGRUENT
SSS Side-Side-Side: If 3 sides of a ∆ are congruent to
3 sides of another ∆, then the ∆’s are congruent.
POSTULATES TO PROVE 2 TRIANGLES ARE CONGRUENT
SAS Side-Angle-Side: If 2 sides and the included
angle of a ∆ are congruent to 2 sides and the included angle of another ∆, then the ∆’s are congruent.
Included: in between the 2 sides
POSTULATES TO PROVE 2 TRIANGLES ARE CONGRUENT
ASA Angle-Side-Angle: If 2 angles and the included
side of a ∆ are congruent to 2 angles and the included side of another ∆, then the ∆’s are congruent.
Included: in between the 2 angles
GIVEN: OK BISECTS ANGLE MOT, OM = OTPROVE: ∆MOK = ∆TOK
Statement Reason
OK bisects angle MOT
OM = OT
Given
Definition of angle bisector
OK = OK Reflexive
∆MOK = ∆TOK SAS
1 2
M
K
T
O
1 2
TOO
Page 124 #4-9
Answers:4) Yes, ASA5) Yes, SSS6) Yes, SAS7) No8) No9) No
HOMEWORK
Worksheet 4-2 Flash Cards
SSS SAS ASA