pllz answer me questions in English madhey
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4
Answer:
1 ans is 28
2 ans is 52
3 ans is 15
Hope it helps u
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Answered by
1
Step-by-step explanation:
1)
In ∆ ABC,
by exterior angle property,
Angle ACD = Angle A + Angle B
140° = Angle A + Angle A
140° = 2(Angle A)
Angle A = 140°/2
Angle A = 70°
Angle A = Angle B
Angle B = 70°
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