Question

plz help me with this answer​

Answer 1

Answer:

<ABC=30°

Step-by-step explanation:

The sum of angless of triangles are always 180°.

Hence <BAC=120°, sum of the other two angles will be 180°-120° . Now,AB=AC , then <ABC=<ACB . So the equation is like :

2<ABC+<BAC=180° [<ABC=<ACB]

or 2ABC=180°-120°

or 2ABC=60°

or ABC=180°/2

or ABC= 30°

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Answer 2

Answer:

hope it's helpful for you

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