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I need to stay in math

I need to stay in math-example-1
User Matti VM
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1 Answer

1 vote

Answer:

? = 42 degrees

Explanation:

The 105 is part of a 180 degree angle so we do 180-105 giving us 75 degrees. and the sum of the internal angles of a triangle should equal 180. so we add 57 + 75 giving us 132. 180-132 will be 48 degrees.

User Hyewon
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