Question

find x in the following figure a=56° b=x° c=123°​

Answer 1

If it’s a triangle, then x will be 1.
a+b+c=180
b=180-(56+123)
b=180-179
b=1
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Answer 2

Answer:

$in \: \: triangle \: a \: \: \: b \: \: \: and \: c \: \\ a = 56 \\ b = 123 \\ c = x \\ \: so \: sum \: of \: all \: \: side \: of \: an \: triangle \: is \: 180 \\ \: so \: \: \: \: \: \: \: \: \: a + b + c = 180 \\ 56 + 123 + x = 180 \\ 179 - 180 = x \\ 1 = x$