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From Karnataka Open Educational Resources
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, 11:44, 26 April 2019
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| ====== [[Linear pair axiom : If the sum of two adjacent angles is 180 degrees, then the non-common arms of the angles form a line|Linear pair axiom : If the sum of two adjacent angles is 180<sup>o</sup>, then the non-common arms of the angles form a line]] ====== | | ====== [[Linear pair axiom : If the sum of two adjacent angles is 180 degrees, then the non-common arms of the angles form a line|Linear pair axiom : If the sum of two adjacent angles is 180<sup>o</sup>, then the non-common arms of the angles form a line]] ====== |
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− | ==== Concept 3: '''Parallel lines''' ==== | + | ==== '''Concept 3: Parallel lines''' ==== |
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| ===== Activities ===== | | ===== Activities ===== |