Question

If the measures of angles in triangle are x°, (x - 30°), (- 60°) Find the measure of
each angle.
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Answer 1

$\bold{Answer:}}$

→x+x-30+x-60=180 {angle sum property of∆} ,

→3x-90=180 ,

→3x=180+90 ,

→3x=270 ,

→x=90 ,

→x-30=90-30=60 ,

→x-60=90-60=30.