Unit 2 triangles and congruence homework grid

Common Core Math II
Unit 2 Homework
Name: _______________________________
All work should be completed on a separate sheet of paper with name, date assigned, and question number.
Problem #1
Assigned: 9/2
Due: 9/3
Find the missing angle measure.
Assigned: 9/3
Find x.
Due: 9/4
Assigned: 9/4
Due: 9/5
(a) Are they congruent
(b) Write the triangle congruency statement.
(c) Give the postulate that makes them
congruent.
B
A
C
D
Problem #2
Find the missing
angle measure.
PQR  MNR. Find x.
Find SQ and ZY.
Q
x°
R
M
P
N
Problem #3
Find mA.
Find x and y.
(a) Are they congruent
(b) Write the triangle congruency statement.
(c) Give the postulate that makes them
congruent.
M
Given: I is the midpoint
of ME and SL
L
I
S
E
Common Core Math II
Unit 2 Homework
Name: _______________________________
All work should be completed on a separate sheet of paper with name, date assigned, and question number.
Problem #4
Assigned: 9/2
Solve for x.
Due: 9/3
Assigned: 9/3
Due: 9/4
Find JN if JMN is an isosceles triangle
Assigned: 9/4
Due: 9/5
WXY  ZYX Find p.
with JM  NM .
X
Y
2
2p
V
20
7p+13
W
Problem #5
Z
ADC  CBA by AAS. Find x.
Find mA.
Find x, y, and z.
D
C
2
(2x + 4)°
1
A
% Correct
2
(x 2 + 8)°
B
Common Core Math II
Unit 2 Homework
Name: _______________________________
All work should be completed on a separate sheet of paper with name, date assigned, and question number.
Problem #1
Problem #2
Assigned: 9/5
Due: 9/8
Name the 5 ways to prove triangles congruent.
∆EFG is equilateral, EH bisects E . Find
and m2 .Find x.
Assigned: 9/8
Find mB.
Due: 9/9
m1 What information is missing to use HL?
P
R
Problem #3
(a) Are they congruent
(b) Write the triangle congruency statement.
(c) Give the postulate that makes them
congruent.
S
Q
Given: BD  AC ,
D is the midpoint of AC .
Prove: BC  BA
Common Core Math II
Unit 2 Homework
Name: _______________________________
All work should be completed on a separate sheet of paper with name, date assigned, and question number.
Assigned: 9/5
Problem #4
Due: 9/8
Assigned: 9/8
Due: 9/9
Given: KM  JL.
The longest leg of ABC, AC , measures 10
JM  LM .
centimeters. BC measures 8 centimeters.
You measure two of the legs of XYZ and
Prove: JKM  LKM
find that AC  XZ and BC  YZ . Can you
conclude that two triangles to be congruent
by the HL Theorem? Explain why or why
not.
Problem #5
Given: LM bisects
JLK . JL  KL.
% Correct
Prove the Isosceles Triangle Converse Theorem.
Given: 1  2
Prove: M is the
AQ  BC
midpoint of JK .
Prove:
AB  AC