Answer:
180
Step-by-step explanation:
to find the side of the smaller triangle you do [tex]5^{2}[/tex] x [tex]12^{2}[/tex] and get 3600. Then do[tex]\sqrt{} 3600[/tex] and get 60. Since the larger triangle is 3 times that size you do 3 x 60 and get 180.
