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PLEASE HELP, THE HECK IS THIS?
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PLEASE HELP, THE HECK IS THIS?

PLEASE HELP, THE HECK IS THIS?-example-1
User Fabrizotus
by
7.2k points

1 Answer

3 votes

Answer:

m∠7 = 140º

Explanation:

m∠4 = m∠2 + m∠3

120 = 80 + m∠3

m∠3 = 40

m∠3 + m∠7 = 180

40 + m∠7 = 180

m∠7 = 140º

User Nicolas Garnier
by
7.6k points
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