Answer:
Yes
Explanation:
Pythageron Theorem:
a^2+b^2=c^2
a and b are the legs, or the 2 shorter lengths. (8 and 15)
c is the hypotenuse, or the longest length (17)
8^2+15^2=17^2
64+225=289
289=289
Since the statement is true, it is a right triangle
Hope this helps! :)