1.
Evaluate .
2.
How many different triangles can be
constructed for if a=10, c=14 and A=35.
2 Triangles
3.
Given , where A=26, B=65,
and c=16, find the length of the shortest side.
7.02
4.
Find the smallest angle of where
a=12, b=14 and c=9.
39.6
5.
The
Givenany
:
Youwillusethelawofcosines
tofindanangle:SSS
tofindsideoppositeangle:SAS
1
EX8
GivenABC
,and
,
(a)
Findc.
A
5
C
30
11
B
2
EX8
GivenABC
(b)a=9,b=7,andc=5.
Find the largest angle.
A
7
5
B
9
C
3
:
Givenany
Youwillusethelawofsinestofind
theremainingsides:ASAandAAS
tofindtheangleoppositethegivenside:SSA
InSSA,when
sin
>1,nosolution
sin
=1thereisonerighttriangle
sin
<1,theremaybe2noncongruenttriangle
A
c
b
C
a
B
1
and
,
B
48
8
A
36
C
2
C
17
B
82
15
Name Hour Score /10
PreCalculus A
Unit 1 Practice Test
Questions 110: Circle the correct answer.(2 points each)
1. Convert 200° to radians.
107: 57: 972' 5a"
A B C D
( ) 9 ( ) 18 ( ) 5 ( ) 9
2. Evaluate sin 330°.
(/3 1 1
A - B c D J§
( ) 2 ( ) 2 ( ) 2