Which set of numbers could represent the lengths of the sides of a right triangle?
Answers:
4, √35 , 9
6, √82 , 13
5, √55 , 10
11, √47, 13

Question

Which set of numbers could represent the lengths of the sides of a right triangle?
Answers:
4, √35 , 9 		 
6, √82 , 13 		 
5, √55 , 10 		 
11, √47, 13

terenzreignz · Answer

Here... a systematic way to do it is to take a and b, the two smaller numbers, and consider this interval :
$$\Large \left(|a-b| \ , \ a+b\right)$$
And if the third side falls within that interval, then it's a legit triangle...

anonymous · Answer

@terenzreignz  Right triangle.

terenzreignz · Answer

Pardon?

terenzreignz · Answer

Oh crud... :/
Sorry, @Virgil @Aphex 
didn't read through...

anonymous · Answer

so whats the answer?? @terenzreignz

terenzreignz · Answer

Yeah... uhh, to figure out which represents the right triangle, take the two smaller sides, a and b,  and square them
$$\Large a^2 + b^2$$
The result should be the square of the the third side for it to be a right triangle...

terenzreignz · Answer

Try the first one...
$$\large 4^2=16$$$$\large (\sqrt{35})^2 = 35$$$$\Large 16+35 = 51 \ne 81=9^2$$

So, the first choice isn't it :)

anonymous · Answer

ok, its not the first one, im gonna take a lucky guess and say C