Help will give 25 brainlest points

Step-by-step explanation:
The ratio of the two shorter legs of the top triangle is
[tex]\dfrac{5}{4} = 1.25[/tex]
The bottom triangle has the following ratio:
[tex]\dfrac{7.5}{6} = 1.25[/tex]
Since their ratios are the same, this means that the two triangles are similar.