i) in a parallelogram ABCD, if angle A = (4x+13) and angle D = (5x-22)
Find the value of x.
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Step-by-step explanation:
in a parallelogram, A + D = 180° [ adjacent angle are supplimentary in a parallelogram ]
4x + 13 + 5x - 22 = 180°
=> 9x - 9 = 180
=> 9x = 180 + 9
=> x = 189/9 => 21
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