In a parallelogram ABCD,angle
A= (4x-5)º and angle C =(3x+10)⁰
Find angle A and B.
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Being the opposite sides, A & C are equal.
So,
(4x-5) = (3x+10)
=> 4x-3x = 10+5
=> x = 15
So the angle is 4x - 5 = 4×15 - 5 = 60-5=55°
So, B & D are also equal.
Their values are:- (180°-55°)=125°
thank you !
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