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प्रश्न
In a cyclic quadrilaterals ABCD, ∠A = 4x, ∠C = 2x the value of x is
पर्याय
30°
20°
15°
25°
उत्तर
30°
Explanation;
Hint:
∠A + ∠C = 180° ...(Sum of the opposite angle of cyclic quadrilateral is 180°)
4x + 2x = 180°
x = `(180^circ)/6`
= 30°
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