please solve this it's urgent
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Answer:
Step-by-step explanation:
For urgent u should give more points...
Answer:
Angle a = 70°
Step-by-step explanation:
We know sum of all angles of traingle is 180°
So,
a + a + 40° = 180°
2a = 180° - 40°
2a = 140°
a = 140°/2
a = 70°
Hope it helps.
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