document.write( "Question 34005: I'm not exactly sure what this question is asking me:\r
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Algebra.Com's Answer #20369 by longjonsilver(2297)\"\" \"About 
You can put this solution on YOUR website!
Perpendicular lines: The steel construction of a building has perpendicular lines. \r
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\n" ); document.write( "\n" ); document.write( "Acute angle: the steel construction within an electricity pylon. The steel bars are connected together with cross members that form acute angles.\r
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\n" ); document.write( "\n" ); document.write( "Obtuse angle: the working of the forearm or calf. Both operate with obtuse (as well as acute) angles made with the upper arm and thigh, respectively\r
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\n" ); document.write( "\n" ); document.write( "jon.
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