

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. 
6, 8, 10 
B. 
5, 12, 13 


C. 
3, 4, 5 
D. 
10, 12, 15 


Hint 


3. 
The following are lengths of sides of various triangles. Which one is a right triangle? 


A. 
5, 19, 25 
B. 
18, 24, 30 


C. 
3, 4, 7 
D. 
8, 9, 10 


Hint 


4. 
The following are lengths of sides of various triangles. Which one is not a right triangle? 


A. 
none of the others 
B. 
7, 24, 25 


C. 
9, 12, 15 
D. 
5, 12, 13 


Hint 


5. 
Many baseball diamonds have 90 feet between each of the bases. At each base, one must turn 90? to get to the next base. So the points at home plate, first base, and second base form a right triangle. To the nearest foot, how long is the hypotenuse, which is the distance between home plate and second base? 





A. 
127 feet 
B. 
162 feet 


C. 
90 feet 
D. 
8100 feet 


Hint 


