document.write( "Question 180767: an apartment building casts a shadow. From the tip of the shadow to the top of the building is 100 m. The tip of the shadow is 72 m from the base of the building? How tall is the building?\r
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document.write( "thnakyou \n" );
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Algebra.Com's Answer #135486 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! an apartment building casts a shadow. From the tip of the shadow to the top of the building is 100 m. The tip of the shadow is 72 m from the base of the building? How tall is the building? \n" ); document.write( "-------------------- \n" ); document.write( "Draw the picture and label the height of the building \"x\". \n" ); document.write( "----------------------- \n" ); document.write( "Use Pythagoras or use trigonometry if you know it.\r \n" ); document.write( "\n" ); document.write( "100^2 = 72^2 + x^2 \n" ); document.write( "x^2 = 10000 - 5184 \n" ); document.write( "x^2 = 4816 \n" ); document.write( "x = 69.40 meters\r \n" ); document.write( "\n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |