First Official Test is Friday! WooHOo!

Here are the answers to the review.  Double check them against your answers.  I'm 99% positive that these posted answers are correct...if you disagree post a comment and explain how you solved the problem.  Best of luck! Sarah

Page 1
1. B
2. F
3. C
4. F



Page 2
6. 
Rectangle     Scale Factor    Short Side    Long Side   Perimeter    Area
A                            1                      1                     4                   10          4
B                            3                        3                   12                  30         36
C                           10                     10                    40                100         400
D                             1/2                  1/2                  2                    5            1

7. Length of corresponding sides     and         area

8. a. 2.25 times larger
 b. 1.5



Page 3
2. 1 and 2 are similar -- explanations should include discussion of ratios or scale factor

3. a. side AC = 20
side AB = 16



Page 4
b. 4
c. 1/4
d. 4 times the perimeter
e. 16 times larger

4. a. side TR = 10
b. side XZ - 26
c. angle T = 110 degrees
d. angle z = 20 degrees



Page 5
c. length of meterstick shadow = 1/3 meter

d. height of meterstick = 1m

3.
a. height of the roof of the shed = 2.5 m

b. Distance from center of mirror to great dane = 1/3 m



Page 6 Look closely at the diagram!!!!

4.
a. 64.3 m
b. approx. 107 m
c. 560 m