Question

The numbers 20,21,29 form a Pythagorean triple. Which other set of numbers is a Pythagorean triple?
A.21,22,30
B.40,42,58
C.60,66,87
D.70,84,116

Answer 1

you need to check if
\[a^2+b^2=c^2\]

Answer 2

how do i find the triple i dont get that part

Answer 3

actually you don't. you can just double each entry and see that you get 40,42,58

Answer 4

ok

Answer 5

pythagorean triple means 3 integers a, b, c, with
\[a^2+b^2=c^2\]

Answer 6

they are easy to find, i can show you how if you like