Teaching CG TET Paper 1 & 2 Mock Test 2024 Quantitative Aptitude Geometry Quadrilaterals

BD হল ABCD সামন্তরিকের কর্ণ, যাতে ∠CBD = 12x, ∠ABD = 7y, ∠ADB = 60° এবং ∠CDB = 28° হয়। তাহলে, 2x + 3y এর মান কত?

1
23°
2
20°
3
21°
4
22°
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