The angles of a quadrilateral are (5x), 5(x+2), (6x-20)° and 6(x + 3)º respectively. Find i) The value of x ii) each angles of a quadrilateral is 360°.
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5x + 5x + 10 + 6x - 20 + 6x + 18 = 360
22x + 8 = 360
22x = 352
11x = 176
x = 176 / 11
x= 16
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