Question

The numbers 7, 24, and c are a Pythagorean triple. What is the value of c?   A. 31   B. 24   C. 25   D. 27

Answer 1

$7;\ 24;\ c-Pythagorean\ triple,\ then\\\\c^2=7^2+24^2\\\\c^2=49+576\\\\c^2=625\\\\c=\sqrt{625}\\\\c=25\\\\Answer:C$