In ∆ ABC, if BC=AB and ⦟B =80°, find ⦟A
using congruence
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Answer:
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Answer:
Angel A = 50°
Step-by-step explanation:
In triangle
When two sides are equal then the angle formed by the line joining the two sides are equal.
It means angle A = angle B
We know that, angel
A + B + C = 180
A + A + 80 = 180
2A = 100
A = 50° and B = 50°
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