document.write( "Question 731169: Point Q is the midpoint of PR. SQ is perpendicular to PR. name two right angles. Explain \n" ); document.write( "
Algebra.Com's Answer #447014 by josgarithmetic(39621)\"\" \"About 
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The two right angles are next to eachother; or they are adjascent to eachother. The line itself, PR, at point Q forms an angle of measure 180 degrees, which is consistant with PR being a line. Right Angle means 90 degrees, and TWO TIMES 90 is 180. \n" ); document.write( "
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