“What does x=?” need help w this rq and an explanation if u have time
2 answers:
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Look at the picture.
The angle y° and 71° are Supplementary Angles. Therefore y° + 71° = 180°.
The sum of measures of these three angles of any triangle is invariably equal to 180°.
Therefore we have the equation:
I believe the 2 ways would be
and
and this equation is significant because it is the perimeter formula
and
and this equation is significant because it is the perimeter formula