alleryसिलेंडराची त्रिज्या दुप्पट करून ताची उंचाय अर्दी करतात. ताच्या खंडाचें कितें जाता?
Aचार फावटीं जाता
Bतो अर्दांत उणो जाता
Cतातूंत बदल जावंक ना
Dदुप्पट जाता
Answer & Solution
Correct answer: D. दुप्पट जाता
खंड r वर्ग गुणा h म्हणून प्रमाणीत जाता, देखून 4 x 1/2 = 2 आनी खंड दुप्पट जाता.
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