Find x
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Sum of all angles of a quadrilateral is 360°
(3x + 10)° + (3x + 4)° + 50° + x° + (5x + 8)° = 360°
12x + 72° = 360°
12x = 360° - 72°
x = 288/12
x = 24° :)
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ABCD is a quadrilateral
so, A + B + C + D = 360
3X+4 + 50 + 3X+10 + x + 5x +8 = 360
12x + 72 = 360
12x = 288
x = 24
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