Find the value of x in the given figure.
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Answer :- Value of x = 45°
Explanation :-
AOB is a diameter
Angle ACB = 90° [ Angles in the semi-circle ]
Now
ABCD is a Cyclic Quadrilateral
Therefore, angle D + angle B = 180°
angle B = 40°
In ∆ABC
Angle A + Angle B + Angle C = 180°
Angle A = 180° - 90° - 40°
Angle A = 50°
Value of x is 50°
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