The sum of the measures of two exterior angles of a triangle is 269. What is the measure of the third exterior angle?
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where ax^2+bx+c=0
a=1
b=-2
c=-4
Just plug in.
x=1+√5
x=1-√
where ax^2+bx+c=0
a=1
b=-2
c=-4
Just plug in.
x=1+√5
x=1-√
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