Answer:
Therefore the Equation and missing value is
.............Equation for the Diagram

Explanation:
Given:
Let Label the Diagram such that



To Find:
Equation =?
x = ?
Solution:
Here Total Length is given in Two Parts



For a Line A-B-C
..............Line Addition Property
Substituting the values we get
...Equation for the Diagram

Therefore the Equation and missing value is
...Equation for the Diagram
