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प्रश्न
In the given figure CE || DB then the value of x° is
विकल्प
45°
30°
75°
85°
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उत्तर
85°
Explanation;
Hint:
∠B = 360° – (∠A + ∠D + ∠BCD)
= 360° – (110° + 75° + 60°)
= 360° – 245°
= 115°
∠DBC = 115° – 30°
= 85°
∴ ∠x = 85° .........(BD || CE) ....[Alternate angles are equal]
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