Ch 6 Review 

Fly Swatter 1

December 13, 2010

Fly Swatter Game

Ch 6 Review 

Fly Swatter 2

December 13, 2010

1.

>>

A

C

F

E

B

18

6

x + 22 x + 2

In ΔABC, EF ll CB.  Find x.

2. Find DC if DG and JM are altitudes and ΔKJL ~ ΔEDC.J

K M L

x4

ΔABC ~ ΔXYZ.  If AN and XM are angle bisectors, find p.3.

p21

A

BC

N

304.  Find x.

x

9 2x

8

D

E CG

6-x2

1814

X

Y ZM

q

Ch 6 Review 

Fly Swatter 3

December 13, 2010

20

x

11 14

Find x.5.

6. Josh wanted to measure the height of the Sears Tower in Chicago. He used a 12-foot light pole and measured its shadow at 1 pm. The length of the shadow was 2 feet. Then he measured the length of the Sear's Tower's shadow and it was 242 feet at that time. What is the height of the Sears Tower?

7. Pentagon ABCDE ~ Pentagon QRSTU.What is the scale of QRSTU: ABCDE?

E B

D C

A

12

18

y

15

Q

R

S T

U

x

6

7

z

Ch 6 Review 

Fly Swatter 4

December 13, 2010

At 2:00 in the after noon, an oak tree 32 feet tall casts a shadow that is 18 feet long. If a person standing next to the tree casts a shadow 3 feet long, how tall is the person?

8. 

9.  Determine if the pair of triangles is similar.  D

E

F

25

9

21

A

C

B

81/3

3

7

10.A

B C

10 12

D

E

F

5 6

Which similarity theorem is demonstrated below?

11.A

E B

CD

5

8

x + 2

6

>

>

Find x

Ch 6 Review 

Fly Swatter 5

December 13, 2010

A

B

CD

E

F

10

15 20 24

3

12. Is ΔABC ~ΔDEF?  

13.

y+2 12

2 18 - = -Solve the proportion.

14. Find the geometric mean of 25 & 8. 

15. The measures of the angles of a triangle are in the extended ratio of 4:7:11. Find the measures of the largest angle.

Ch 6 Review 

Fly Swatter 6

December 13, 2010

8

4

27

6

11.2

14521:3

5.3

yes

SAS

8/5

­2/3

14.1490

no

AA

SSS

3:1

10.6

9

2801

1:2

4:1

72

18

5

1

32

­1/4

2/3

57.71

200

­2

2904 96

3/5

22

378

280

15.5