4.2 एकक उंचीचा एक शंकू 13.2 एककचे पार्श्व पृष्ठफळ असतो. त्याच्या पायाची त्रिज्या आहे:

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SSC CPO 2024 Official Paper-I (Held On: 29 Jun, 2024 Shift 1)
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  1. 2 एकक
  2. 1.5 एकक
  3. 2.5 एकक
  4. 1 एकक

Answer (Detailed Solution Below)

Option 4 : 1 एकक
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Detailed Solution

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दिलेल्याप्रमाणे:

तिरकस उंची (l) = 4.2 एकक

पार्श्व पृष्ठफळ (A) = 13.2 एकक2

वापरलेले सूत्र:

शंकूचे पार्श्व पृष्ठफळ, A = πrl

जिथे, r = पायाची त्रिज्या

गणना:

13.2 = π × r × 4.2

⇒ r = \(\frac{132}{ 22/7 × 42}\)

⇒ r = \(\frac{6}{6}\)

⇒ r = 1 एकक

∴ योग्य उत्तर पर्याय (4) आहे.

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