Question

Which set of side lengths defines a right triangle?

A. 7, 9, 13

B. 5, 12, 14

C. 8, 15, 17

D. 9, 12, 14

Answer 1

Use the Pythagorean Theorem

Answer 2

but how? im not good at it :/

Answer 3

The 2 smaller sides squared must equal to the bigger side squared

\(3^2+4^2=5^2\) is an example

Answer 4

is it A?

Answer 5

\(7^2=49\\9^2 = 81\\49+81 = 130\\ \sqrt{130}=11.4\)

So no

Answer 6

is it D?

Answer 7

\(9^2=81\\12^2=144\\18+144=132\\ \sqrt{132}=11.5\)

No

Answer 8

omg I dont know.. B?

Answer 9

25 + 144 = 169

\(\sqrt{169}=13\)

Answer 10

so is that a yes ? Idk im really bad at this stuff..

Answer 11

Is 5, 12, and 13 an option?

Answer 12

there is 5, 12, and 14..

Answer 13

So no

Answer 14

so its c?

Answer 15

Well yeah because all the other options are wrong

Answer 16

haha yeah.. I guess thats a way to do it. thank you so much for all the help

Answer 17

yw

Answer 18

wow I didnt pass my assessment.. :(