

1. 
Which formula represents the Pythagorean Theorem? 





A. 
c^{2} = a^{2} + b^{2} 
B. 
a + b = c 


C. 
c^{2} = a^{2}  b^{2} 
D. 
a^{2} = b^{2} + b^{2} 


Hint 


2. 
Given the lengths of the sides of a triangle, which of the following is not a right triangle? 


A. 
10, 12, 15 
B. 
5, 12, 13 


C. 
3, 4, 5 
D. 
6, 8, 10 


Hint 


3. 
A 12ft ladder is placed 5 feet from a building. Approximately how high does the ladder reach? 


A. 
13 ft 
B. 
8 ft 


C. 
10 ft 
D. 
11 ft 


Hint 


4. 
The following are lengths of sides of various triangles. Which one is a right triangle? 


A. 
8, 9, 10 
B. 
18, 24, 30 


C. 
5, 19, 25 
D. 
3, 4, 7 


Hint 


5. 
The following are lengths of sides of various triangles. Which one is not a right triangle? 


A. 
7, 24, 25 
B. 
9, 12, 15 


C. 
5, 12, 13 
D. 
none of the others 


Hint 


