Name the line given in all possible (twelve) ways, choosing only two letters at atime from the four given.
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To do:

We have to name the given lines in all possible ways.

Solution:

The possible lines are $\stackrel {\leftrightarrow}{AB} ,\ \stackrel {\leftrightarrow}{AC} ,\ \stackrel {\leftrightarrow}{AD} ,\ \stackrel {\leftrightarrow}{BA} ,\ \stackrel {\leftrightarrow}{BC} ,\ \stackrel {\leftrightarrow}{BD} ,\ \stackrel {\leftrightarrow}{CA} ,\stackrel {\leftrightarrow}{CB} ,\stackrel {\leftrightarrow}{CD} ,\ \stackrel {\leftrightarrow}{DA} ,\stackrel {\leftrightarrow}{DB} ,and\ \stackrel {\leftrightarrow}{DC}$

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Updated on: 10-Oct-2022

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