যদি ΔABC∼ΔPQR, AB = 10 সেমি, BC = 4 সেমি এবং PQ = 6 সেমি হয়, তবে QR =?

  1. 5.2 সেমি
  2. 2.2 সেমি
  3. 3.5 সেমি
  4. 2.4 সেমি

Answer (Detailed Solution Below)

Option 4 : 2.4 সেমি
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প্রদত্ত :

ΔABC∼ΔPQR

AB = 10 সেমি, BC = 4 সেমি এবং PQ = 6 সেমি

সূত্র:

যদি, ΔABC∼ΔPQR হয় তবে

AB/BC = PQ/QR = AC/PR

গণনা:

ΔABC∼ΔPQR

⇒ AB/BC = PQ/QR

⇒ 10/4 = 6/QR

⇒ QR = 6 × (4/10)

⇒ QR = 2.4 সেমি। 

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