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What is the measure please help :)
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What is the measure please help :)

What is the measure please help :)-example-1
User Shubomb
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1 Answer

5 votes

Answer:

40°

Explanation:


m\angle A + m\angle B = 180\degree

(Linear pair angles)


140\degree + m\angle B = 180\degree


m\angle B = 180\degree -140\degree


m\angle B = 40\degree

User Korun
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