Question

Which set of numbers can NOT represent the lengths of the sides of a triangle?

A) {7,5,6} B) {9, 12,19} C) {6,8,11} D) {7,18,11}

Answer 1

@esamalaa

Answer 2

i think no. D

Answer 3

may be

Answer 4

What's the answer?

Answer 5

i do not know

Answer 6

It's ok

Answer 7

No idea...especially if it's a triangle with any angles.

Answer 8

Thanks anyway

Answer 9

Oh! I got it.

Answer 10

@tHe_FiZiCx99

Answer 11

He's right, it is D. Think about two of the smaller sides connected and able to move around freely, like:

Answer 12

Thank you guys!!! #Iloveyou

Answer 13

the two smaller sides must lie at an angle less than 180 degrees--they can't be just a line or some type of reflex triangle,

Answer 14

so the third and longest side must be less than the other two sides added together.

Answer 15

--in order to form a triangle and not just a line or something else.

Answer 16

The highest number in the set has to be LESS than the sum of the other two, so add 2 smallest number and they have to be greater than the largest.

Try A, {7,5,6}

The largest is 7, 5 + 6 = 11

11 is greater than 7 <-- THIS works. It's asking for which doesn't represent it. Try the rest on your own :)

Answer 17

@tHe_FiZiCx99 the answer is D right?

Answer 18

Yes, because if you add 7 + 11, it gives you 18

18 is equal to 18 not greater than