Question
Download Solution PDFएक Δ ABC में, ∠B + ∠C = 110° है, तो ∠A की माप ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
∠B + ∠C = 110°
प्रयुक्त अवधारणा:
त्रिभुज के आंतरिक कोणों का योग 180° होता है।
गणना:
Δ ABC में,
⇒ ∠ A + ∠B + ∠C = 180° (कोण योग गुणधर्म)
⇒ ∠ A + 110° = 180
⇒ ∠ A = 180° - 110° = 70°
∴ सही उत्तर 70° है।
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