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प्रश्न
In the quadrilateral ABCD, AB = BC and AD = DC Measure of ∠BCD is
विकल्प
150°
30°
105°
72°
MCQ
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उत्तर
105°
Explanation;
Hint:
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∠DBC = 54°; ∠BDC = 21°
∴ ∠BCD = 180° – (54° + 21°)
= 180° – 75°
= 105°
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