**Answer:it has multiple steps because you can work step by step**

**Step-by-step explanation:**

Check the picture below.

let's recall that the **point of tangency** with the radius chord is always a right-angle.

**The answer is C) A relationship between two quantities in which the ratio of one quantity to the other quantity is constant.**

In other words,

The constant of variety is the number that is is comparable to two variables that are straightforwardly corresponding or contrarily corresponding to each other.