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I have another question which ive been stuck for out of 35 questions

I have another question which ive been stuck for out of 35 questions-example-1
User Cometbill
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1 Answer

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we have the following:

Therefore:


\begin{gathered} 180=<4+<3 \\ <3=180-80 \\ <3=100 \end{gathered}

In this case, the angle 3 is equal a 100°

I have another question which ive been stuck for out of 35 questions-example-1
User Azuric
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