Question 859276
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
Asking You to check to see if Pythagorean Theorem is satisfied:
that is:  9^2 + 12^2 = 15^2
 81 + 144 = 225, satisfies Pythagorean theorem
YES, the given length can be sides of a right triangle