Question

Which of the following sets of sides does not form a right triangle?

6, 8, 10
8, 15, 17
7, 24, 26
5, 12, 13

@Molly_Qian

Answer 1

so 24 26 isn't

Answer 2

the one that contains *

Answer 3

???/??!@Molly_Qian

Answer 4

@EclipsedStar @kirbykirby

Answer 5

@peterg2001, what condition can you check to prove something is a right angled triangle?

Answer 6

A N S W E R ?????????????

Answer 7

Whether a set of site belongs to a right triangle or not can be checked in a failry easy way.
For a set of sides \(\large\color{black}{ \displaystyle {\rm \color{red}{a}},~~{\rm \color{green}{b}},~~{\rm \color{blue}{c}} }\) \(\large\color{black}{ \displaystyle ( }\)where \(\large\color{black}{ \displaystyle{\rm \color{blue}{c}} }\) is the biggest side\(\large\color{black}{ \displaystyle) }\)

the following has to be true:
\(\large\color{black}{ \displaystyle {\rm \color{red}{a}}^2+{\rm \color{green}{b}}^2={\rm \color{blue}{c}}^2 }\)

Answer 8

@peterg2001 the one that contains 7, 24, 26 is not a right trangle