document.write( "Question 1159382: A 20-ft ladder leans against a building so that the angle between the ground and the ladder is 72 degrees. How high does the ladder reach on the building? \n" ); document.write( "

Algebra.Com's Answer #782391 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "\"How high\" = 20*sin(72°)  feet.\r\n" );
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