Two sides of a triangle measure 15 inches and 18 inches, respectively. Which of these is NOT a possible length for the third side of the triangle?
A) 4 inches
B) 18 inches
C) 32 inches
D) 36 inches

Question

Two sides of a triangle measure 15 inches and 18 inches, respectively. Which of these is NOT a possible length for the third side of the triangle?
A) 4 inches	
B) 18 inches	
C) 32 inches	
D) 36 inches

anonymous · Answer

the sum of the lengths of any two sides must be greater than or equal to the length of the remaining side

parthkohli · Answer

No, they must be greater than the remaining side! @estudier EQUAL DOES NOT QUALIFY!

lgbasallote · Answer

i agree with him..they cannot be equal est :D

anonymous · Answer

OK, I included the degenerate case (ie when it is a line).
It's not wrong, though; you can find many places where it is stated like that.

parthkohli · Answer

We did an activity in which we took three sides. The two sides totalled up to the third and the triangle didn't form :P

anonymous · Answer

all of these choice can be the third side there are no rol

parthkohli · Answer

The last one can't be :D

parthkohli · Answer

$\Large \color{purple}{15 + 18 < 36 } $