Which of the following statements are always true when a transversal crosses parallel lines? 1.Several congruent angles are form
2 answers:
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9514 1404 393
Answer:
odd
Step-by-step explanation:
If 'a' and 'b' have different parity, the result has odd parity.
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<u>Assume a=odd, b=even</u>
(5·odd -3·even) = odd
(odd^2 +5·even) = odd
(odd)(odd) +2 = odd
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<u>Assume a=even, b=odd</u>
(5·even -3·odd) = odd
(even^2 +5(odd)) - odd
(odd)(odd) +2 = odd
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The attached verifies this with numbers.
