Question

9) In AABC if AB=AC. Angle B=40° then angle C= ____
a) 100°
b) 40°
c) 70°
d) 80°
:
:
please tell me correct answer this is for my exams ​

Answer 1

Answer:

180° = a+b+c

180° = x+ x+ y

180°= 2x + y

180° = 2x + 40

180° - 40 = 2x

140° = 2x

140/2 = x

70° = x

Step-by-step explanation:

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