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Calculate the angle marked with the question mark. Do not measure -- the picture is not exact.

 Oct 11, 2020
 #1
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+1

Angles of a triangle sum to 180 o

 

55o + 82o + ? = 180o      Solve for ? 

 Oct 11, 2020
 #2
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So for that 55+82=137
180= sum of triangle so
180-137=43 degrees

 Oct 11, 2020

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