Geometry
Review Chapter 4
Name ___________________________
Find the measure of the indicated angle.
1.  ACT   NOW.
a)
mT =
b)
mN =
c)
mC =
a) m P 
2. WXYZ  PQRS
b) QR =
c) m X =
DEF  LMN . True or False.
a) E  L ___________
b) EF  MN __________________ c) FE  NL _________________
3. Given
4. If
mF  5x and mN  2x  12 , find mF =_____________________
State the postulate or theorem you would use to prove each pair of triangles congruent. If the triangles cannot be proved
congruent, write not possible.
5. __________________
6. ________________
7. __________________
8. ________________
9. ________________
10. ___________________
Tell whether the HL Theorem can be applied to prove the triangles are congruent. If not, what is missing?
11.
12.
13. Find the measures of the missing angles.
x  _______
a)
b)
y  _______
= _______
n = _______
x  _____
c).
m
x  _____
d)
y  _____
14. Given: mBCD  20 and
0
a)
y  _____
AD  11
m1=___________
b) AB = _________________
15.
a) If AE
BD , then 1  ______________
Justification: ______________________
b) If B is the midpoint of AC, then AB  ___________
Justification: ________________________________
c) If A  E then
AC  _______________
Justification: _______________________________________
Proofs.
16. Given: RS bisects GRH , G  H
Prove: GS  HS
17. Given :
Prove:
18.
19.
Prove: