document.write( "Question 802322: Which of the following is true?
\n" ); document.write( " Adjacent angles are supplementary or complementary.\r
\n" ); document.write( "\n" ); document.write( " Linear pairs are adjacent and supplementary.\r
\n" ); document.write( "\n" ); document.write( " Vertical angles are equal and supplementary.\r
\n" ); document.write( "\n" ); document.write( " Adjacent angles are linear pairs or are complementary.
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Algebra.Com's Answer #483837 by MathLover1(20849)\"\" \"About 
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Adjacent angles are supplementary or complementary.: \"not\" \"true\"\r
\n" ); document.write( "\n" ); document.write( "reason: Definition and properties of adjacent angles - those that share a common leg or ray. (means the sum of both doesn't have to be exactly \"90\" or \"180\" degrees )\r
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\n" ); document.write( "\n" ); document.write( " Linear pairs are adjacent and supplementary.: \"TRUE\"\r
\n" ); document.write( "\n" ); document.write( "reason: Definition and properties of a linear pair of angles - two angles that are \"adjacent\" and \"supplementary\".\r
\n" ); document.write( "\n" ); document.write( " Vertical angles are equal and supplementary.: \"not\" always \"true\", only if two lines that cross are perpendicular to each other\r
\n" ); document.write( "\n" ); document.write( "reason: Vertical angles are the angles opposite each other when two lines cross and share the same Vertex (corner point), not the usual meaning of up-down. \r
\n" ); document.write( "\n" ); document.write( " Adjacent angles are linear pairs or are complementary.\"not\" \"true\"\r
\n" ); document.write( "\n" ); document.write( "reason: Two angles are Adjacent if they have a common side and a common vertex (corner point) and don't overlap.
\n" ); document.write( "so, by definition, they cannot be linear and they could but don't have to be complementary\r
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