7 The angles of a quadrilateral are (4x +9), (6x
+4)°, (+5)°, (x + 6)°, respectively. Find the
value of x.
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Step-by-step explanation:
(4x + 9) + (6x + 4) + 5 + (x + 6) = 360°
( Since, the sum of all angles in a quadrilateral is 360° )
11x + 24 = 360°
11x = 360° - 24°
= 336°
x = 336°/11
= 30.5° ( approximately )
Therefore, the angles are 131°, 187°, 5° and 36.5°
Hope this helps.
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