triangle ABC is isosceles with AB = AC , if angles A = 80 degree . what is measure of angle B
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answer is angle B is 50...
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Answered by
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⏩In an isosceles triangle two angles are equal.
Given angle A = 80
A+B+C = 180
80+x+x=180
80+2x=180
2x=180-80
2x=100
x=100/2
x=50
So,
Angle B =50
Angle C= 50
Given angle A = 80
A+B+C = 180
80+x+x=180
80+2x=180
2x=180-80
2x=100
x=100/2
x=50
So,
Angle B =50
Angle C= 50
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