English, asked by jamsheedyousf4, 4 months ago

explain the theorem 1 of lines and angles with proof​

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Answered by Anonymous
1

Answer:

Axiom 1 If a ray stands on a line, then the sum of two adjacent angles so formed is 180º. Conversely if the sum of two adjacent angles is 180º, then a ray stands on a line (i.e., the non-common arms form a line).

Explanation:

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