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How do you solve this proof? help please. thank you! <3

How do you solve this proof? help please. thank you! <3-example-1

1 Answer

6 votes

The answer is given in the file attached

angle addition postulate:

m∠B = m∠1 + m∠3

m∠1 = m∠B - m∠3

How do you solve this proof? help please. thank you! <3-example-1
User Nenad M
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