Question
Download Solution PDFযদি ΔABC ≅ ΔPQR এবং ∠ABC = (x + 60)°, ∠PQR = (85 - 4x)°, এবং ∠RPQ = (3x + 65)°, তাহলে ডিগ্রীতে ∠ABC এর মান কত?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
∠ABC = (x + 60)°
∠PQR = (85 - 4x)°
∠RPQ = (3x + 65)°
গণনা:
যদি ΔABC ≅ ΔPQR হয়
তারপর ∠ABC = ∠PQR
⇒ (x + 60) = (85 - 4x)
⇒ 5x = 85 - 60
⇒ x = 25/5 = 5 একক
তাই,
∠ABC = (x + 60)°
⇒ (5 + 60)° = 65°
∴ সঠিক উত্তর হল 65°
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