Answers

2014-01-12T21:29:12+08:00
tan4.62 = \frac{height}{x}

tan2.34= \frac{height}{x+1.6}

xtan4.62 = tan2.34(1.6+x)

x = \frac{1.6tan2.34}{tan4.62 - tan2.34}

just input it in your calculator:)
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ignore the capital A thing in the third line nlng:)