NAME: _____________________________________________________
Instructions:  Write a definition for each word. If you copy a definition from somewhere else be sure to put it inside "quotations".  Many of these you should already know and be able to come up with your own definition.  Do these first!  You may also want to draw a picture where appropriate.
1 perimeter  
2 area  
3 volume  
4 surface area  
5 circumference  
6 diameter  
7 radius  
8 arc  
9 point  
10 segment  
11 ray  
12 line  
13 plane  
14 angle  
15 parallel  
16 perpendicular  
17 intersecting  
18 triangle  
19 altitude  
20 equilateral triangle  
21 isosceles triangle  
22 right triangle  
23 Pythagorean theorem  
24 hypotenuse  
25 protractor  
26 compass  
27 ruler  
28 congruent  
29 similar  
30 square  
31 rectangle  
32 rhombus  
33 trapezoid  
34 parallelogram  
35 quadrilateral  
36 kite  
37 polygon  
38 edge  
39 vertex  
40 pentagon  
41 hexagon  
42 octagon  
43 cylinder  
44 pyramid  
45 sphere  
46 cone  
47 reflection  
48 rotation  
49 rotational symmetry  
50 reflectional symmetry  
Extra Credit:  On a separate sheet of paper, write down 10 of these words and what they are in another language.  Try NOT to pick cognates, that is, words which are almost the same in another language.  For instance, line in English is linea in Spanish.