HERBERT H. LEHMAN HIGH SCHOOL
3000 East Tremont Avenue w Bronx, New York 10461 w Phone: (718) 904-4200
Mrs. Rose LoBianco, Principal
THE LAW AND PUBLIC SERVICE ACADEMY
Mrs. Ana De Jesús, Assistant Principal Phone: (718) 904-4200 x1541
_______________________________________________________________________________
CW Unit 3 Day 1
Name:____________________________________________
Classwork is intended to be a collaborative activity. Work on the following with a partner or designated group. Whether
you do not finish is to be finished for homework.
1.
Two parallel lines are cut by a nonperpendicular
transversal. Which are not congruent?
(1)
(2)
(3)
(4)
4.
In the diagram, !" ∥ !", and !" is transversal.
E
same side exterior angles
corresponding angles
alternate interior angles
alternate exterior angles
3
A
2.
1
B
2
In the figure below, if !∠6 = 45, and
!" ∥ !", what are the values of the other
angles?
4
C
D
F
If !∠1 = 8! !"# !∠2 = 6! − 30. Find the
2
A
value of !.
1
4
3
B
6
5
8
C
3.
7
5.
D
In the figure below !" ∥ !". Find !∠! and
!∠!.
In the figure below, with !" ∥ !", if
!∠8 = 120, what are the values of the other
angles?
B
D
67˚
38˚
2
A
4
5
C
7
1
3
B
A
6
8
D
C
HW Unit 3 Day 1
6.
D
B
8.
In the figure below, !" ∥ !". Find !∠1.
4! + 6 ˚
B
32˚
74˚
3! − 3 ˚
E
A
C
1
C
In the figure, the measure of an exterior angle at
∠!, the vertex angle of isosceles ∆!"#, is
4! + 6. If the base angle measure is 3! − 3, what
is the measure of the exterior angle and of the
interior angles?
A
7.
In the figure below, !" ∥ !". What is !∠!"#?
C
In the figure, !" ⊥ !", !∠!"# = 70 and
!∠!"# = 50. Find !∠!.
9.
B
D
108˚
127˚
!˚
A
38˚
E
B
70˚
A
50˚
D
C