leannaadrian
19.09.2019 •
Mathematics
What is the value of x in the diagram
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Ответ:
m < ABC = 180 - 42 = 138
The other angle in the quadrilateral BCD_ = 360 - 2*138 - 32 = 52 degrees
so 52 = x + 42 (external angle = sum of 2 opposite angles)
x = 52 - 42 = 10 degrees Answer
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