A triangle has side lengths of 18 & 13. Which of the following could not be a measure of the third side?

1) 22
2) 4
3) 5
4) 30

Question

A triangle has side lengths of 18 & 13. Which of the following could not be a measure of the third side?

1)	22
	2)	4
	3)	5
	4)	30

parthkohli · Answer

Sum of ANY two sides is greater than the third side.

parthkohli · Answer

Try if it works with any of them.

parthkohli · Answer

No! The third side must be lesser than 31.

anonymous · Answer

just give me  1 2 3 or 4

parthkohli · Answer

But all of them are less. So you take any two sides then sum them up.

parthkohli · Answer

13 + 5 = 18
It clearly should be greater than 5.

anonymous · Answer

so its either 22 or 30

anonymous · Answer

When we choose, 13+4 =17  but the third side is 18 this is a contradiction. 

Hence,(13,4,18) is not possible.

anonymous · Answer

Answer is (2) and (3)

parthkohli · Answer

@FoolForMath explain what I messaged you, in the math chat

anonymous · Answer

@FoolForMath how is 13 and 18 not possible it was in the question given

parthkohli · Answer

13 and 18 are possible, but there are some limitations to the third side.