document.write( "Question 1114275: Two wires tethered a balloon to the ground (a) 85 degrees and (b) 75 degrees. How high is the balloon above the ground if the length of (a) to (b) is 100 meters? \n" ); document.write( "
Algebra.Com's Answer #729247 by josgarithmetic(39617)\"\" \"About 
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Draw picture.
\n" ); document.write( "Two right triangles which share the same height (leg).\r
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\n" ); document.write( "\n" ); document.write( "x, bottom left leg from a
\n" ); document.write( "100-x, bottom right leg from b
\n" ); document.write( "y, the height of balloon\r
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\n" ); document.write( "\n" ); document.write( "\"system%28y%2Fx=tan%2885%29%2Cy%2F%28100-x%29=tan%2875%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=y%2Ftan%2885%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"y%2F%28100-x%29=tan%2875%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y=%28100-x%29tan%2875%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y=%28100-y%2Ftan%2885%29%29%2Atan%2875%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y=100%2Atan%2875%29-y%28tan%2875%29%2Ftan%2885%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y%2By%2A%28tan%2875%29%2Ftan%2885%29%29=100%2Atan%2875%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y%281%2Btan%2875%29%2Ftan%2885%29%29=100%2Atan%2875%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28y=%28100%2Atan%2875%29%29%2F%281%2Btan%2875%29%2Ftan%2885%29%29%29\"\r
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