DU
Find the value of x in each figure.
12.
14004+ 1210
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Answer:
x = 28
Step-by-step explanation:
(x + 12) and 140 form a straight angle and are supplementary, thus
x + 12 + 140 = 180, that is
x + 152 = 180 ( subtract 152 from both sides )
x = 28