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Mathematics, 19.09.2019 23:30 ari9843

The angles of a quadrilateral are
represented by 9xº, (20x + 16)°,
(12x + 10), and (7x - 2)°. what is the
value of x?
a 7
b 9
c 12
d 14

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Answers: 2

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The angles of a quadrilateral are
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