document.write( "Question 1126232: 7. A ladder, of length 5 metres, is placed against a wall at an angle of 65° to the horizontal
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document.write( "1. Draw a diagram to represent the situation.
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document.write( "2. Use your knowledge of trigonometric ratios to calculate how high up the wall the ladder will reach.
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document.write( "3. How far will the foot of the ladder be from the base of the building?
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Algebra.Com's Answer #742568 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! 1. The ladder, wall and ground form a right triangle, note that the ladder is the hypotenuse of the right triangle \n" ); document.write( ": \n" ); document.write( "2. sin(65) = x/5 \n" ); document.write( ": \n" ); document.write( "x = sin(65) * 5 = 4.5315 \n" ); document.write( ": \n" ); document.write( "The ladder will reach 4.5315 metres up the wall \n" ); document.write( ": \n" ); document.write( "3. cos(65) = x/5 \n" ); document.write( ": \n" ); document.write( "x = cos(65) * 5 = 2.1131 \n" ); document.write( ": \n" ); document.write( "The foot of the ladder is 2.1131 metres from the base of the building \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |