in ∆
ABC,AB=BCand angleB=80.find angle a
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angle b equals to 80° thus line AB=BC
then the angle will be same
angle A+Angle
B+angle C=180°(angle sum property)
a+80+c=180
X+X+80=180
2x=180-80
X=50°
Angle a=50
angle b=50°
then the angle will be same
angle A+Angle
B+angle C=180°(angle sum property)
a+80+c=180
X+X+80=180
2x=180-80
X=50°
Angle a=50
angle b=50°
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