Question

Which side lengths form a right triangle?
a) 5,12,13
b) 4,4,8
c) 2,3,4

Answer 1

a) 5,12,13

These numbers are a pythagorean triple

Answer 2

a

Step-by-step explanation:

The Pythagorean theorem is for right triangles. a²+b²=c². So since 5²+12²=13², that is the answer. (25+144=169) (13²=169)