document.write( "Question 1160821: Two buildings are 40m apart. From the top of one building, the angle of elevation to the top of the second building is 10° and the angle of depression to the bottom of the second building is 65°. How tall is each building? \n" ); document.write( "

Algebra.Com's Answer #784237 by josgarithmetic(39627) $\"\"$ $\"About$

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If you try to draw this, it could be like upper triangle, 10 degree opposite of a leg lengthed u, bottom triangle 65 degree opposite a leg lengthed b; both these right triangles share a common leg lengthed 40 meters.\r
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\n" ); document.write( "\n" ); document.write( " $\"system%28tan%2810%29=u%2F40%2Ctan%2865%29=b%2F40%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "These two unknowns can be solved for.
\n" ); document.write( "The question is asking for b, and for b+u. \n" ); document.write( "

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