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Please help me, I forgot how to do this):
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Please help me, I forgot how to do this):

Please help me, I forgot how to do this):-example-1
User Eric Sites
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1 Answer

7 votes

Answer:

x = 8

Explanation:

Recall that the interior angles of a triangle always add up to 180 degrees.

Therefore: 77 + 50 + 7X - 3 = 180, or:

77 + 7X - 3 = 130, or:

7x = 56

Dividing both sides by 7 yields x = 8

User Archonic
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