To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree. How tall is the tree?
144 feet
72 feet
36 feet
6. Multiple Choice
5 minutes
1 pt
In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs. Write and solve a proportion to find the number c of cats.
c=15
c=18
c=21
c=16
7. Multiple Choice
5 minutes
1 pt
Solve for a
29/12
41/12
107/12
13
8. Multiple Choice
1.5 minutes
1 pt
If the triangles are similar, state how.
SSS
SAS
AA
Not similar.
9. Multiple Choice
1.5 minutes
5 pts
If the triangles are similar, state how.
SSS
SAS
AA
Not similar
10. Multiple Choice
15 minutes
1 pt
The triangles are similar by...
SAS
AAS
ASA
SSS
11. Multiple Choice
15 minutes
1 pt
Why are the triangles similar?
AA
SAS
SSS
AAS
12. Multiple Choice
1.5 minutes
1 pt
What is the similarity statement for the triangle pair?
ΔXYZ~ΔNEW
ΔXZY~ΔNWE
ΔZYX~ΔENW
ΔYZX~ΔNWE
13. Multiple Choice
15 minutes
1 pt
If two figures are similar their angles are______.
proportional
congruent
supplementary
complementary
14. Multiple Choice
15 minutes
1 pt
If two figures are similar, the corresponding sides are ______________.
equal
congruent
proportional
none of these
15. Multiple Choice
15 minutes
1 pt
Find the value of x.
90/13
56/3
21/8
96/7
16. Multiple Choice
5 minutes
1 pt
x=?
81
15
24
5.4
17. Multiple Choice
5 minutes
1 pt
Two triangles are similar. Which can be stated?
The corresponding sides are congruent.
The corresponding sides are parallel
The corresponding angles are proportional
The corresponding angles are congruent
18. Multiple Choice
1.5 minutes
1 pt
The figures are similar. Find x:
6
8
12.5
24
19. Multiple Choice
1 minute
1 pt
Find length of segment AB.
x = 810
x = 21.6
x = 33.75
x = 67.5
20. Multiple Choice
1 minute
1 pt
Name the postulate, if possible, that makes the triangles congruent.