Question

Anyone can help me please?
Can anyone write all the
$theorems \: of \large \pink{Lines \: and \: Angles} \orange{ from \: class \: 9 \: Maths \: ?}$
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Answer 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). ... Theorem 1: If two lines intersect each other, then the vertically opposite angles are equal.

Answer 2

Answer:

Theorem 1: If two lines intersect each other, then the vertically oppositeangles are equal.

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