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keishadawson
08.04.2021 •
Mathematics
All the factors of 12p
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Ответ:
Step-by-step explanation:
Statement Reason
1.∠1 and ∠2 are supplementary angles --- Given
2. m∠1 + m∠2 = 180° --- Linear pair, they are supplementary
3. m∠1 and m∠3 are supplementary angles -- m∠1 + m∠3= 180
(Supplementary angles add upto 180 degrees)
4. m∠1 and m∠3 Exterior sides in opposite rays
5. m∠1 + m∠2 = m∠1 + m∠3 Transitive property
6. m∠2 = m∠3 Subtraction property
7. l || m If two lines are cut by transversal the alternative interior
so the angles will be supplementary