document.write( "Question 596179: which quadrant does 15pi/4 fall in? \n" ); document.write( "
Algebra.Com's Answer #377564 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Convert to degrees by multiplying the given angle by 180/pi\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "((15pi)/4)*(180/pi) = (15pi*180)/(4pi) = (2700pi)/(4pi) = 675\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So 15pi/4 radians converts to 675 degrees. \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now subtract 360 from this angle to get: 675 - 360 = 315\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Since the result is between 270 and 360 degrees, this means that the original angle is in the fourth quadrant. \n" ); document.write( " |