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Determine whether the given triangle is a right triangle. 

 Nov 20, 2014

Best Answer 

 #1
avatar+23254 
+5

Check by using the Pythagorean Theorem:     c²  =  a² + b²

C is the largest value:  c  =  12.3     Therefore,  a  =  6.2     and     b  =  8.1  

        (or a  =  8.1  and  b  =  6.2;  it doesn't make any difference)

Check this:  does  12.3²  =  6.2² + 8.1² ?

12.3²  =  151.29

6.2² + 8.1²  =  38.44 + 65.61  =  104.05

Since these values aren't equal, it is not a right triangle.

 Nov 20, 2014
 #1
avatar+23254 
+5
Best Answer

Check by using the Pythagorean Theorem:     c²  =  a² + b²

C is the largest value:  c  =  12.3     Therefore,  a  =  6.2     and     b  =  8.1  

        (or a  =  8.1  and  b  =  6.2;  it doesn't make any difference)

Check this:  does  12.3²  =  6.2² + 8.1² ?

12.3²  =  151.29

6.2² + 8.1²  =  38.44 + 65.61  =  104.05

Since these values aren't equal, it is not a right triangle.

geno3141 Nov 20, 2014

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