alleryആരം r ഉം ഉയരം h ഉം ഉള്ള ഒരു വലത് സിലിണ്ടറിന്റെ വളഞ്ഞ വശ വിസ്തീർണ്ണം നൽകുന്ന സൂത്രവാക്യം ഏതാണ്?
Aപൈ * r^2
B2pi * r * h
Cപൈ * r^2 * മ
D4pi * r^2
Answer & Solution
Correct answer: B. 2pi * r * h
ഒരു വലത് സിലിണ്ടറിന്റെ വളഞ്ഞ ലാറ്ററൽ പ്രതല വിസ്തീർണ്ണം 2 * pi * r * h ആണ് നൽകുന്നത്.
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