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A triangle has 2 sides of length 9 inches and 15 inches, then the length of the third side CANNOT be..?

 

A) 17    B) 15    C) 9     B) 8.7     D) 5

 May 2, 2022

Best Answer 

 #2
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The triangle rule states that the sum of the 2 smallest sides must be greater than the bigger side. 

 

Thus, \(\color{brown}\boxed{E}\) will not work, because \(9 + 5 <15\)

 May 2, 2022
 #1
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I hope this is correct.

It can be any of the answer choices provided.This is because they are all less than 9+15 = 24.

 May 2, 2022
 #3
avatar+675 
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This is incorrect. Two sides have to be larger than the other side (triangle).

 

a + b > c

a + c > b

b + c > a

 

If that does not apply, it is not constructible.

Straight  May 2, 2022
 #2
avatar+2440 
0
Best Answer

The triangle rule states that the sum of the 2 smallest sides must be greater than the bigger side. 

 

Thus, \(\color{brown}\boxed{E}\) will not work, because \(9 + 5 <15\)

BuilderBoi May 2, 2022

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