document.write( "Question 270656: In a lighthouse, the light beam rotates once every minute to scan the area of land and ocean. If the land covers the angle of 150 degrees, how many seconds will it take to cover the area of ocean. \n" ); document.write( "
Algebra.Com's Answer #198213 by Greenfinch(383)![]() ![]() You can put this solution on YOUR website! It is moving 360 degrees in 60 seconds or 6 degrees/second. \n" ); document.write( "Ocean covers 360 - 150 degrees = 210 degrees \n" ); document.write( "So ocean takes 210/6 seconds = 35 seconds \n" ); document.write( " |