Geometry: how do you know if a triangle is a dilation of another triangle?

If you can multiply or divide the original triangle to equal the second triangle, and if the angles are the same, then it is a dilation

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25