Consider line segment AE to the right.            ____________________________
                                                                       A      B                  C          D     E

1.    If AB = 6 cm and AC = 10 cm, then BC = ______
 

2.    If AC = 8 cm and CE = 4 cm, then AE = ______
 

3.    If BC = 2 cm and BE = 10 cm, then CE  = ______
 

4.    If AC = 8 cm, BD = 8 cm, and AD= 13 cm, then BC = ______
 

5.    If AB = 6 cm and BC = x cm, then AC = ______
 

6.    If AE = 20 cm, BD = 12 cm, and AB = 2 cm, then ED = ______
 

In 7-9, write the shorthand notation (symbols) for each of the following in the blank provided.

7.    line through B and C                                                     ___________________
 

8.    ray with endpoint D going through point Y                    ___________________
 

9.    Line segment with endpoints A and N                          ___________________
 
 
 

10.    What is the perimeter of a square with sides of length 5cm?  ___________________
 

11.    What is the perimeter of a rectangle with a length of 6 cm and a width of 4 cm?  ___________________
 

12.    What is the perimeter of a pentagon with all sides of length 7 cm?  ___________________
 

13.    What is the perimeter of an octagon with all sides of length 3 mm?  ___________________