Question

Which of the following side length do not form a right triangle?

0.5, 1.2, 1.3

6, 8, 10

3, 4, 5

1, 2, 3

Answer 1

two smaller sides, have to have a sum that is greater than the largest side.

Answer 2

For 3 sides of your (possible) triangle, where \(\large\color{blue}{ c }\) is the greatest side, and \(\large\color{blue}{ a }\) & \(\large\color{blue}{ b }\) are two smallest side:

the following has to be true: \(\large\color{blue}{ a+b>c }\)

Answer 3

so, 1,2,3

Answer 4

yes, that is not a \(\large\color{blue}{ \triangle }\)

Answer 5

okay, thank you!

Answer 6

because: \(\large\color{blue}{ 1+2=3 }\) but not more than 3.

Answer 7

wow, that was simple

Answer 8

yes,:)