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> c 2 is greater than, so “Obtuse”
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GeometryChapter 9 Test
Review
Check
Obtuse
2 26 7210
85100 >
c2 is greater than, so “Obtuse”
Check
Obtuse
Right
2 29 40241
16811681 =
c2 is equal to, so “Right”
Check
Obtuse
Right
Acute
2 23 4 5 ( )29
8981 <
c2 is less than, so “Acute”
Check
15
x = y =
2 225x 925x
x
15x
Check
15 12
x = y =
2 144y 916y
y
12y
sin A = cos A = tan A =
A
B
Check
6061
1161
6011
sin B = cos B = tan B =6061
1161
1160
SOH-CAH-TOA
s =
ÐR =
ÐT =
Check
17
28.1°
61.9°
15
8
T
R S
s 2 28 15s
289s
17s
H
A
O
tan R = 815
1 8tan 28.115
90 28.1 61.9
Check
<-2,-8>
0 2 , 5 3 2, 8
Check
<-2,-8>
<4,1>
0 2 , 5 3
0 4, 5 6
2, 8
4,1
Check
<-2,-8>
<4,1>
<2,3>
0 2 , 5 3
0 4, 5 6
2 4, 3 6
2, 8
4,1
2,3
a =
b =
ÐA =
Check
9
30°
9 3
30 60 90 a =
b =
ÐA =
9
30°
9 3
Hypotenuse 2 = short legshort leg 3 long leg
1, 4
Component form =
Magnitude =
17 4.1
Check
1, 4
2 21 4 17
17
12, 5
Component form =
Magnitude =
13
Check
12, 5
2 212 5 169
169 13
50 12m AÐ
A
13.9
Check
50 12m AÐ
A 12sin 50A
1 12sin 50
13.9
20 feet17 in.
Yes
Check
Yes or No ???
240 in.17 in.
Yes or No ???
17sin 240A
1 17sin 2404.1
Check
12 2
6 22 2
6 22 3 2 4 12 2
Check
2
2
16 3 in27.7 in
4
4 3
12 b h
1 8 4 32
2 216 3 in 27.7 in
Check
19.4ft
25 ft.30°
tan30 25x
25 tan30 x
14.4ft
5ft
14.4 519.4ft
Test Tomorrow!!
