Concept explainers
To find the value of x.
Answer to Problem 3.12EX
Option (a)
Explanation of Solution
Given information: A, B, C, and D are coplanar points.
Options,
a.
b.
c.
d.
Calculation: The required solutions is obtained as,
Give that
Since they are coplanar, AC is a transversal line. Thus
Using theorem they are supplementary to each other.
Therefore, option (a)
Chapter E Solutions
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