Math, asked by syedyusufali, 2 months ago

निम्नांकित चित्रों में अज्ञात कोण का मान ज्ञात कीजिए-

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Answered by Anonymous
52

Solution :

↦ ∠b + 125° = 180° ( L.P.A )

↦ ∠b = 180° - 125°

∠b = 55°

→ ∠c + 140° = 180° ( L.P.A )

→ ∠c = 180° - 140°

∠c = 40°

⇒ ∠a + ∠b + ∠c = 180°

⇒ ∠a + 55° + 40° = 180°

⇒ ∠a + 95° = 180°

⇒ ∠a = 180° - 95°

∠a = 85°

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