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09-07-2017
Mathematics

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Given that line OL is an altitude of triangle LMN, find NL

Given that line OL is an altitude of triangle LMN find NL class=

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09-07-2017

NL= 2x-2
x=7
2 (7)-2
14-2
NL=12

x=7 because the angle is 90°
so 9x+27=90
-27 both sides
9x=63
÷9 both sides
x=7

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