geometry chapter 9 test review. check obtuse ? ? ?

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!!