Mathematics · Geometry
एक समबाहु त्रिभुज ABC केंद्र O वाले एक वृत्त के अंतर्गत बना है। D, लघु चाप BC पर एक बिंदु इस प्रकार है कि ∠CBD = 40° है। ∠BCD का माप ज्ञात कीजिए।
- 130°
- 250°
- 320°✓
- 440°
सही उत्तर देखें
20°
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