which group of three squares will form a right triangle when joined at their vertices?

Answer:
3
Step-by-step explanation:
Use the formula below to find right angle triangle
[tex]{a}^{2} + {b}^{2} = {c}^{2} \\ so \: only \: 3 \: fulfills \: this \: requirement \\ {8}^{2} + {15}^{2} = {17}^{2} [/tex]